diff --git a/erpnext/hr/doctype/leave_allocation/leave_allocation.json b/erpnext/hr/doctype/leave_allocation/leave_allocation.json
index ae02c51..3a6539e 100644
--- a/erpnext/hr/doctype/leave_allocation/leave_allocation.json
+++ b/erpnext/hr/doctype/leave_allocation/leave_allocation.json
@@ -110,6 +110,7 @@
    "label": "Allocation"
   },
   {
+   "allow_on_submit": 1,
    "bold": 1,
    "fieldname": "new_leaves_allocated",
    "fieldtype": "Float",
@@ -235,7 +236,7 @@
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2021-04-14 15:28:26.335104",
+ "modified": "2021-06-03 15:28:26.335104",
  "modified_by": "Administrator",
  "module": "HR",
  "name": "Leave Allocation",
@@ -277,4 +278,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "timeline_field": "employee"
-}
\ No newline at end of file
+}
diff --git a/erpnext/hr/doctype/leave_allocation/leave_allocation.py b/erpnext/hr/doctype/leave_allocation/leave_allocation.py
index 11302ca..4757cd3 100755
--- a/erpnext/hr/doctype/leave_allocation/leave_allocation.py
+++ b/erpnext/hr/doctype/leave_allocation/leave_allocation.py
@@ -8,6 +8,7 @@
 from frappe.model.document import Document
 from erpnext.hr.utils import set_employee_name, get_leave_period
 from erpnext.hr.doctype.leave_ledger_entry.leave_ledger_entry import expire_allocation, create_leave_ledger_entry
+from erpnext.hr.doctype.leave_application.leave_application import get_approved_leaves_for_period
 
 class OverlapError(frappe.ValidationError): pass
 class BackDatedAllocationError(frappe.ValidationError): pass
@@ -55,6 +56,43 @@
 		if self.carry_forward:
 			self.set_carry_forwarded_leaves_in_previous_allocation(on_cancel=True)
 
+	def on_update_after_submit(self):
+		if self.has_value_changed("new_leaves_allocated"):
+			self.validate_against_leave_applications()
+			leaves_to_be_added = self.new_leaves_allocated - self.get_existing_leave_count()
+			args = {
+				"leaves": leaves_to_be_added,
+				"from_date": self.from_date,
+				"to_date": self.to_date,
+				"is_carry_forward": 0
+			}
+			create_leave_ledger_entry(self, args, True)
+
+	def get_existing_leave_count(self):
+		ledger_entries = frappe.get_all("Leave Ledger Entry",
+								filters={
+									"transaction_type": "Leave Allocation",
+									"transaction_name": self.name,
+									"employee": self.employee,
+									"company": self.company,
+									"leave_type": self.leave_type
+								},
+								pluck="leaves")
+		total_existing_leaves = 0
+		for entry in ledger_entries:
+			total_existing_leaves += entry
+
+		return total_existing_leaves
+
+	def validate_against_leave_applications(self):
+		leaves_taken = get_approved_leaves_for_period(self.employee, self.leave_type,
+			self.from_date, self.to_date)
+		if flt(leaves_taken) > flt(self.total_leaves_allocated):
+			if frappe.db.get_value("Leave Type", self.leave_type, "allow_negative"):
+				frappe.msgprint(_("Note: Total allocated leaves {0} shouldn't be less than already approved leaves {1} for the period").format(self.total_leaves_allocated, leaves_taken))
+			else:
+				frappe.throw(_("Total allocated leaves {0} cannot be less than already approved leaves {1} for the period").format(self.total_leaves_allocated, leaves_taken), LessAllocationError)
+
 	def update_leave_policy_assignments_when_no_allocations_left(self):
 		allocations = frappe.db.get_list("Leave Allocation", filters = {
 			"docstatus": 1,
@@ -225,4 +263,4 @@
 
 def validate_carry_forward(leave_type):
 	if not frappe.db.get_value("Leave Type", leave_type, "is_carry_forward"):
-		frappe.throw(_("Leave Type {0} cannot be carry-forwarded").format(leave_type))
\ No newline at end of file
+		frappe.throw(_("Leave Type {0} cannot be carry-forwarded").format(leave_type))
diff --git a/erpnext/hr/doctype/leave_allocation/test_leave_allocation.py b/erpnext/hr/doctype/leave_allocation/test_leave_allocation.py
index 6e7ae87..bff06e6 100644
--- a/erpnext/hr/doctype/leave_allocation/test_leave_allocation.py
+++ b/erpnext/hr/doctype/leave_allocation/test_leave_allocation.py
@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 import frappe
+import erpnext
 import unittest
 from frappe.utils import nowdate, add_months, getdate, add_days
 from erpnext.hr.doctype.leave_type.test_leave_type import create_leave_type
@@ -164,6 +165,51 @@
 		leave_allocation.cancel()
 		self.assertFalse(frappe.db.exists("Leave Ledger Entry", {'transaction_name':leave_allocation.name}))
 
+	def test_leave_addition_after_submit(self):
+		frappe.db.sql("delete from `tabLeave Allocation`")
+		frappe.db.sql("delete from `tabLeave Ledger Entry`")
+
+		leave_allocation = create_leave_allocation()
+		leave_allocation.submit()
+		self.assertTrue(leave_allocation.total_leaves_allocated, 15)
+		leave_allocation.new_leaves_allocated = 40
+		leave_allocation.submit()
+		self.assertTrue(leave_allocation.total_leaves_allocated, 40)
+
+	def test_leave_subtraction_after_submit(self):
+		frappe.db.sql("delete from `tabLeave Allocation`")
+		frappe.db.sql("delete from `tabLeave Ledger Entry`")
+		leave_allocation = create_leave_allocation()
+		leave_allocation.submit()
+		self.assertTrue(leave_allocation.total_leaves_allocated, 15)
+		leave_allocation.new_leaves_allocated = 10
+		leave_allocation.submit()
+		self.assertTrue(leave_allocation.total_leaves_allocated, 10)
+
+	def test_against_leave_application_validation_after_submit(self):
+		frappe.db.sql("delete from `tabLeave Allocation`")
+		frappe.db.sql("delete from `tabLeave Ledger Entry`")
+
+		leave_allocation = create_leave_allocation()
+		leave_allocation.submit()
+		self.assertTrue(leave_allocation.total_leaves_allocated, 15)
+		employee = frappe.get_doc("Employee", frappe.db.sql_list("select name from tabEmployee limit 1")[0])
+		leave_application = frappe.get_doc({
+			"doctype": 'Leave Application',
+			"employee": employee.name,
+			"leave_type": "_Test Leave Type",
+			"from_date": add_months(nowdate(), 2),
+			"to_date": add_months(add_days(nowdate(), 10), 2),
+			"company": erpnext.get_default_company() or "_Test Company",
+			"docstatus": 1,
+			"status": "Approved",
+			"leave_approver": 'test@example.com'
+		})
+		leave_application.submit()
+		leave_allocation.new_leaves_allocated = 8
+		leave_allocation.total_leaves_allocated = 8
+		self.assertRaises(frappe.ValidationError, leave_allocation.submit)
+
 def create_leave_allocation(**args):
 	args = frappe._dict(args)
 
diff --git a/erpnext/hr/report/employee_leave_balance/employee_leave_balance.py b/erpnext/hr/report/employee_leave_balance/employee_leave_balance.py
index 4dd4570..b8953b3 100644
--- a/erpnext/hr/report/employee_leave_balance/employee_leave_balance.py
+++ b/erpnext/hr/report/employee_leave_balance/employee_leave_balance.py
@@ -178,7 +178,7 @@
 			is_carry_forward, is_expired
 		FROM `tabLeave Ledger Entry`
 		WHERE employee=%(employee)s AND leave_type=%(leave_type)s
-			AND docstatus=1 AND leaves>0
+			AND docstatus=1
 			AND (from_date between %(from_date)s AND %(to_date)s
 				OR to_date between %(from_date)s AND %(to_date)s
 				OR (from_date < %(from_date)s AND to_date > %(to_date)s))
diff --git a/erpnext/manufacturing/doctype/bom/bom.js b/erpnext/manufacturing/doctype/bom/bom.js
index a09a5e3..27019db 100644
--- a/erpnext/manufacturing/doctype/bom/bom.js
+++ b/erpnext/manufacturing/doctype/bom/bom.js
@@ -71,7 +71,6 @@
 
 	refresh: function(frm) {
 		frm.toggle_enable("item", frm.doc.__islocal);
-		toggle_operations(frm);
 
 		frm.set_indicator_formatter('item_code',
 			function(doc) {
@@ -651,15 +650,8 @@
 	erpnext.bom.calculate_total(frm.doc);
 });
 
-var toggle_operations = function(frm) {
-	frm.toggle_display("operations_section", cint(frm.doc.with_operations) == 1);
-	frm.toggle_display("transfer_material_against", cint(frm.doc.with_operations) == 1);
-	frm.toggle_reqd("transfer_material_against", cint(frm.doc.with_operations) == 1);
-};
-
 frappe.ui.form.on("BOM", "with_operations", function(frm) {
 	if(!cint(frm.doc.with_operations)) {
 		frm.set_value("operations", []);
 	}
-	toggle_operations(frm);
 });
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/bom/bom.json b/erpnext/manufacturing/doctype/bom/bom.json
index f551b91..f38d1b9 100644
--- a/erpnext/manufacturing/doctype/bom/bom.json
+++ b/erpnext/manufacturing/doctype/bom/bom.json
@@ -193,6 +193,7 @@
   },
   {
    "default": "Work Order",
+   "depends_on": "with_operations",
    "fieldname": "transfer_material_against",
    "fieldtype": "Select",
    "label": "Transfer Material Against",
@@ -235,6 +236,7 @@
   {
    "fieldname": "operations_section",
    "fieldtype": "Section Break",
+   "hide_border": 1,
    "oldfieldtype": "Section Break"
   },
   {
@@ -245,6 +247,7 @@
    "options": "Routing"
   },
   {
+   "depends_on": "with_operations",
    "fieldname": "operations",
    "fieldtype": "Table",
    "label": "Operations",
@@ -517,7 +520,7 @@
  "image_field": "image",
  "is_submittable": 1,
  "links": [],
- "modified": "2020-05-21 12:29:32.634952",
+ "modified": "2021-03-16 12:25:09.081968",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM",
diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 3f109d9..3e85560 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -590,7 +590,7 @@
 			self.get_routing()
 
 	def validate_operations(self):
-		if self.with_operations and not self.get('operations'):
+		if self.with_operations and not self.get('operations') and self.docstatus == 1:
 			frappe.throw(_("Operations cannot be left blank"))
 
 		if self.with_operations:
diff --git a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
index 07464e3..4458e6d 100644
--- a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
+++ b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
@@ -13,10 +13,10 @@
   "col_break1",
   "hour_rate",
   "time_in_mins",
-  "batch_size",
   "operating_cost",
   "base_hour_rate",
   "base_operating_cost",
+  "batch_size",
   "image"
  ],
  "fields": [
@@ -61,6 +61,8 @@
   },
   {
    "description": "In minutes",
+   "fetch_from": "operation.total_operation_time",
+   "fetch_if_empty": 1,
    "fieldname": "time_in_mins",
    "fieldtype": "Float",
    "in_list_view": 1,
@@ -104,7 +106,8 @@
    "label": "Image"
   },
   {
-   "default": "1",
+   "fetch_from": "operation.batch_size",
+   "fetch_if_empty": 1,
    "fieldname": "batch_size",
    "fieldtype": "Int",
    "label": "Batch Size"
@@ -120,7 +123,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2020-10-13 18:14:10.018774",
+ "modified": "2021-01-12 14:48:09.596843",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Operation",
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.js b/erpnext/manufacturing/doctype/job_card/job_card.js
index 4e8dd41..81860c9 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.js
+++ b/erpnext/manufacturing/doctype/job_card/job_card.js
@@ -11,6 +11,16 @@
 				}
 			};
 		});
+
+		frm.set_indicator_formatter('sub_operation',
+			function(doc) {
+				if (doc.status == "Pending") {
+					return "red";
+				} else {
+					return doc.status === "Complete" ? "green" : "orange";
+				}
+			}
+		);
 	},
 
 	refresh: function(frm) {
@@ -31,6 +41,10 @@
 			}
 		}
 
+		if (frm.doc.docstatus == 1 && !frm.doc.is_corrective_job_card) {
+			frm.trigger('setup_corrective_job_card');
+		}
+
 		frm.set_query("quality_inspection", function() {
 			return {
 				query: "erpnext.stock.doctype.quality_inspection.quality_inspection.quality_inspection_query",
@@ -43,12 +57,62 @@
 
 		frm.trigger("toggle_operation_number");
 
-		if (frm.doc.docstatus == 0 && (frm.doc.for_quantity > frm.doc.total_completed_qty || !frm.doc.for_quantity)
+		if (frm.doc.docstatus == 0 && !frm.is_new() &&
+			(frm.doc.for_quantity > frm.doc.total_completed_qty || !frm.doc.for_quantity)
 			&& (frm.doc.items || !frm.doc.items.length || frm.doc.for_quantity == frm.doc.transferred_qty)) {
 			frm.trigger("prepare_timer_buttons");
 		}
 	},
 
+	setup_corrective_job_card: function(frm) {
+		frm.add_custom_button(__('Corrective Job Card'), () => {
+			let operations = frm.doc.sub_operations.map(d => d.sub_operation).concat(frm.doc.operation);
+
+			let fields = [
+				{
+					fieldtype: 'Link', label: __('Corrective Operation'), options: 'Operation',
+					fieldname: 'operation', get_query() {
+						return {
+							filters: {
+								"is_corrective_operation": 1
+							}
+						};
+					}
+				}, {
+					fieldtype: 'Link', label: __('For Operation'), options: 'Operation',
+					fieldname: 'for_operation', get_query() {
+						return {
+							filters: {
+								"name": ["in", operations]
+							}
+						};
+					}
+				}
+			];
+
+			frappe.prompt(fields, d => {
+				frm.events.make_corrective_job_card(frm, d.operation, d.for_operation);
+			}, __("Select Corrective Operation"));
+		}, __('Make'));
+	},
+
+	make_corrective_job_card: function(frm, operation, for_operation) {
+		frappe.call({
+			method: 'erpnext.manufacturing.doctype.job_card.job_card.make_corrective_job_card',
+			args: {
+				source_name: frm.doc.name,
+				operation: operation,
+				for_operation: for_operation
+			},
+			callback: function(r) {
+				if (r.message) {
+					frappe.model.sync(r.message);
+					frappe.set_route("Form", r.message.doctype, r.message.name);
+				}
+			}
+		});
+	},
+
 	operation: function(frm) {
 		frm.trigger("toggle_operation_number");
 
@@ -97,101 +161,105 @@
 
 	prepare_timer_buttons: function(frm) {
 		frm.trigger("make_dashboard");
-		if (!frm.doc.job_started) {
-			frm.add_custom_button(__("Start"), () => {
-				if (!frm.doc.employee) {
-					frappe.prompt({fieldtype: 'Link', label: __('Employee'), options: "Employee",
-						fieldname: 'employee'}, d => {
-						if (d.employee) {
-							frm.set_value("employee", d.employee);
-						} else {
-							frm.events.start_job(frm);
-						}
-					}, __("Enter Value"), __("Start"));
+
+		if (!frm.doc.started_time && !frm.doc.current_time) {
+			frm.add_custom_button(__("Start Job"), () => {
+				if ((frm.doc.employee && !frm.doc.employee.length) || !frm.doc.employee) {
+					frappe.prompt({fieldtype: 'Table MultiSelect', label: __('Select Employees'),
+						options: "Job Card Time Log", fieldname: 'employees'}, d => {
+						frm.events.start_job(frm, "Work In Progress", d.employees);
+					}, __("Assign Job to Employee"));
 				} else {
-					frm.events.start_job(frm);
+					frm.events.start_job(frm, "Work In Progress", frm.doc.employee);
 				}
 			}).addClass("btn-primary");
 		} else if (frm.doc.status == "On Hold") {
-			frm.add_custom_button(__("Resume"), () => {
-				frappe.flags.resume_job = 1;
-				frm.events.start_job(frm);
+			frm.add_custom_button(__("Resume Job"), () => {
+				frm.events.start_job(frm, "Resume Job", frm.doc.employee);
 			}).addClass("btn-primary");
 		} else {
-			frm.add_custom_button(__("Pause"), () => {
-				frappe.flags.pause_job = 1;
-				frm.set_value("status", "On Hold");
-				frm.events.complete_job(frm);
+			frm.add_custom_button(__("Pause Job"), () => {
+				frm.events.complete_job(frm, "On Hold");
 			});
 
-			frm.add_custom_button(__("Complete"), () => {
-				let completed_time = frappe.datetime.now_datetime();
-				frm.trigger("hide_timer");
+			frm.add_custom_button(__("Complete Job"), () => {
+				var sub_operations = frm.doc.sub_operations;
 
-				if (frm.doc.for_quantity) {
+				let set_qty = true;
+				if (sub_operations && sub_operations.length > 1) {
+					set_qty = false;
+					let last_op_row = sub_operations[sub_operations.length - 2];
+
+					if (last_op_row.status == 'Complete') {
+						set_qty = true;
+					}
+				}
+
+				if (set_qty) {
 					frappe.prompt({fieldtype: 'Float', label: __('Completed Quantity'),
-						fieldname: 'qty', reqd: 1, default: frm.doc.for_quantity}, data => {
-							frm.events.complete_job(frm, completed_time, data.qty);
-						}, __("Enter Value"), __("Complete"));
+						fieldname: 'qty', default: frm.doc.for_quantity}, data => {
+						frm.events.complete_job(frm, "Complete", data.qty);
+					}, __("Enter Value"));
 				} else {
-					frm.events.complete_job(frm, completed_time, 0);
+					frm.events.complete_job(frm, "Complete", 0.0);
 				}
 			}).addClass("btn-primary");
 		}
 	},
 
-	start_job: function(frm) {
-		let row = frappe.model.add_child(frm.doc, 'Job Card Time Log', 'time_logs');
-		row.from_time = frappe.datetime.now_datetime();
-		frm.set_value('job_started', 1);
-		frm.set_value('started_time' , row.from_time);
-		frm.set_value("status", "Work In Progress");
-
-		if (!frappe.flags.resume_job) {
-			frm.set_value('current_time' , 0);
-		}
-
-		frm.save();
+	start_job: function(frm, status, employee) {
+		const args = {
+			job_card_id: frm.doc.name,
+			start_time: frappe.datetime.now_datetime(),
+			employees: employee,
+			status: status
+		};
+		frm.events.make_time_log(frm, args);
 	},
 
-	complete_job: function(frm, completed_time, completed_qty) {
-		frm.doc.time_logs.forEach(d => {
-			if (d.from_time && !d.to_time) {
-				d.to_time = completed_time || frappe.datetime.now_datetime();
-				d.completed_qty = completed_qty || 0;
+	complete_job: function(frm, status, completed_qty) {
+		const args = {
+			job_card_id: frm.doc.name,
+			complete_time: frappe.datetime.now_datetime(),
+			status: status,
+			completed_qty: completed_qty
+		};
+		frm.events.make_time_log(frm, args);
+	},
 
-				if(frappe.flags.pause_job) {
-					let currentIncrement = moment(d.to_time).diff(moment(d.from_time),"seconds") || 0;
-					frm.set_value('current_time' , currentIncrement + (frm.doc.current_time || 0));
-				} else {
-					frm.set_value('started_time' , '');
-					frm.set_value('job_started', 0);
-					frm.set_value('current_time' , 0);
-				}
+	make_time_log: function(frm, args) {
+		frm.events.update_sub_operation(frm, args);
 
-				frm.save();
+		frappe.call({
+			method: "erpnext.manufacturing.doctype.job_card.job_card.make_time_log",
+			args: {
+				args: args
+			},
+			freeze: true,
+			callback: function () {
+				frm.reload_doc();
+				frm.trigger("make_dashboard");
 			}
 		});
 	},
 
+	update_sub_operation: function(frm, args) {
+		if (frm.doc.sub_operations && frm.doc.sub_operations.length) {
+			let sub_operations = frm.doc.sub_operations.filter(d => d.status != 'Complete');
+			if (sub_operations && sub_operations.length) {
+				args["sub_operation"] = sub_operations[0].sub_operation;
+			}
+		}
+	},
+
 	validate: function(frm) {
 		if ((!frm.doc.time_logs || !frm.doc.time_logs.length) && frm.doc.started_time) {
 			frm.trigger("reset_timer");
 		}
 	},
 
-	employee: function(frm) {
-		if (frm.doc.job_started && !frm.doc.current_time) {
-			frm.trigger("reset_timer");
-		} else {
-			frm.events.start_job(frm);
-		}
-	},
-
 	reset_timer: function(frm) {
 		frm.set_value('started_time' , '');
-		frm.set_value('job_started', 0);
-		frm.set_value('current_time' , 0);
 	},
 
 	make_dashboard: function(frm) {
@@ -297,7 +365,6 @@
 	},
 
 	to_time: function(frm) {
-		frm.set_value('job_started', 0);
 		frm.set_value('started_time', '');
 	}
 })
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.json b/erpnext/manufacturing/doctype/job_card/job_card.json
index 5713f69..046e2fd 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.json
+++ b/erpnext/manufacturing/doctype/job_card/job_card.json
@@ -9,38 +9,49 @@
   "naming_series",
   "work_order",
   "bom_no",
-  "workstation",
-  "operation",
-  "operation_row_number",
   "column_break_4",
   "posting_date",
   "company",
-  "remarks",
   "production_section",
   "production_item",
   "item_name",
   "for_quantity",
-  "quality_inspection",
-  "wip_warehouse",
+  "serial_no",
   "column_break_12",
-  "employee",
-  "employee_name",
-  "status",
+  "wip_warehouse",
+  "quality_inspection",
   "project",
+  "batch_no",
+  "operation_section_section",
+  "operation",
+  "operation_row_number",
+  "column_break_18",
+  "workstation",
+  "employee",
+  "section_break_21",
+  "sub_operations",
   "timing_detail",
   "time_logs",
   "section_break_13",
   "total_completed_qty",
-  "total_time_in_mins",
   "column_break_15",
+  "total_time_in_mins",
   "section_break_8",
   "items",
+  "corrective_operation_section",
+  "for_job_card",
+  "is_corrective_job_card",
+  "column_break_33",
+  "hour_rate",
+  "for_operation",
   "more_information",
   "operation_id",
   "sequence_id",
   "transferred_qty",
   "requested_qty",
+  "status",
   "column_break_20",
+  "remarks",
   "barcode",
   "job_started",
   "started_time",
@@ -118,13 +129,6 @@
    "label": "Timing Detail"
   },
   {
-   "fieldname": "employee",
-   "fieldtype": "Link",
-   "in_standard_filter": 1,
-   "label": "Employee",
-   "options": "Employee"
-  },
-  {
    "allow_bulk_edit": 1,
    "fieldname": "time_logs",
    "fieldtype": "Table",
@@ -133,9 +137,11 @@
   },
   {
    "fieldname": "section_break_13",
-   "fieldtype": "Section Break"
+   "fieldtype": "Section Break",
+   "hide_border": 1
   },
   {
+   "default": "0",
    "fieldname": "total_completed_qty",
    "fieldtype": "Float",
    "label": "Total Completed Qty",
@@ -160,8 +166,7 @@
    "fieldname": "items",
    "fieldtype": "Table",
    "label": "Items",
-   "options": "Job Card Item",
-   "read_only": 1
+   "options": "Job Card Item"
   },
   {
    "collapsible": 1,
@@ -251,12 +256,7 @@
    "reqd": 1
   },
   {
-   "fetch_from": "employee.employee_name",
-   "fieldname": "employee_name",
-   "fieldtype": "Read Only",
-   "label": "Employee Name"
-  },
-  {
+   "collapsible": 1,
    "fieldname": "production_section",
    "fieldtype": "Section Break",
    "label": "Production"
@@ -314,11 +314,89 @@
    "label": "Quality Inspection",
    "no_copy": 1,
    "options": "Quality Inspection"
+  },
+  {
+   "allow_bulk_edit": 1,
+   "fieldname": "sub_operations",
+   "fieldtype": "Table",
+   "label": "Sub Operations",
+   "options": "Job Card Operation",
+   "read_only": 1
+  },
+  {
+   "fieldname": "operation_section_section",
+   "fieldtype": "Section Break",
+   "label": "Operation Section"
+  },
+  {
+   "fieldname": "column_break_18",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "section_break_21",
+   "fieldtype": "Section Break",
+   "hide_border": 1
+  },
+  {
+   "depends_on": "is_corrective_job_card",
+   "fieldname": "hour_rate",
+   "fieldtype": "Currency",
+   "label": "Hour Rate"
+  },
+  {
+   "collapsible": 1,
+   "depends_on": "is_corrective_job_card",
+   "fieldname": "corrective_operation_section",
+   "fieldtype": "Section Break",
+   "label": "Corrective Operation"
+  },
+  {
+   "default": "0",
+   "fieldname": "is_corrective_job_card",
+   "fieldtype": "Check",
+   "label": "Is Corrective Job Card",
+   "read_only": 1
+  },
+  {
+   "fieldname": "column_break_33",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "for_job_card",
+   "fieldtype": "Link",
+   "label": "For Job Card",
+   "options": "Job Card",
+   "read_only": 1
+  },
+  {
+   "fetch_from": "for_job_card.operation",
+   "fetch_if_empty": 1,
+   "fieldname": "for_operation",
+   "fieldtype": "Link",
+   "label": "For Operation",
+   "options": "Operation"
+  },
+  {
+   "fieldname": "employee",
+   "fieldtype": "Table MultiSelect",
+   "label": "Employee",
+   "options": "Job Card Time Log"
+  },
+  {
+   "fieldname": "serial_no",
+   "fieldtype": "Small Text",
+   "label": "Serial No"
+  },
+  {
+   "fieldname": "batch_no",
+   "fieldtype": "Link",
+   "label": "Batch No",
+   "options": "Batch"
   }
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2020-11-19 18:26:50.531664",
+ "modified": "2021-03-16 15:59:32.766484",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Job Card",
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.py b/erpnext/manufacturing/doctype/job_card/job_card.py
index cdc4518..7f8f2ef 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.py
+++ b/erpnext/manufacturing/doctype/job_card/job_card.py
@@ -5,11 +5,12 @@
 from __future__ import unicode_literals
 import frappe
 import datetime
+import json
 from frappe import _, bold
 from frappe.model.mapper import get_mapped_doc
 from frappe.model.document import Document
 from frappe.utils import (flt, cint, time_diff_in_hours, get_datetime, getdate,
-	get_time, add_to_date, time_diff, add_days, get_datetime_str, get_link_to_form)
+	get_time, add_to_date, time_diff, add_days, get_datetime_str, get_link_to_form, time_diff_in_seconds)
 
 from erpnext.manufacturing.doctype.manufacturing_settings.manufacturing_settings import get_mins_between_operations
 
@@ -25,10 +26,21 @@
 		self.set_status()
 		self.validate_operation_id()
 		self.validate_sequence_id()
+		self.get_sub_operations()
+		self.update_sub_operation_status()
+
+	def get_sub_operations(self):
+		if self.operation:
+			self.sub_operations = []
+			for row in frappe.get_all("Sub Operation",
+				filters = {"parent": self.operation}, fields=["operation", "idx"]):
+				row.status = "Pending"
+				row.sub_operation = row.operation
+				self.append("sub_operations", row)
 
 	def validate_time_logs(self):
-		self.total_completed_qty = 0.0
 		self.total_time_in_mins = 0.0
+		self.total_completed_qty = 0.0
 
 		if self.get('time_logs'):
 			for d in self.get('time_logs'):
@@ -44,11 +56,14 @@
 					d.time_in_mins = time_diff_in_hours(d.to_time, d.from_time) * 60
 					self.total_time_in_mins += d.time_in_mins
 
-				if d.completed_qty:
+				if d.completed_qty and not self.sub_operations:
 					self.total_completed_qty += d.completed_qty
 
 			self.total_completed_qty = flt(self.total_completed_qty, self.precision("total_completed_qty"))
 
+		for row in self.sub_operations:
+			self.total_completed_qty += row.completed_qty
+
 	def get_overlap_for(self, args, check_next_available_slot=False):
 		production_capacity = 1
 
@@ -57,7 +72,7 @@
 				self.workstation, 'production_capacity') or 1
 			validate_overlap_for = " and jc.workstation = %(workstation)s "
 
-		if self.employee:
+		if args.get("employee"):
 			# override capacity for employee
 			production_capacity = 1
 			validate_overlap_for = " and jc.employee = %(employee)s "
@@ -80,7 +95,7 @@
 				"to_time": args.to_time,
 				"name": args.name or "No Name",
 				"parent": args.parent or "No Name",
-				"employee": self.employee,
+				"employee": args.get("employee"),
 				"workstation": self.workstation
 			}, as_dict=True)
 
@@ -158,6 +173,100 @@
 			row.planned_start_time = datetime.datetime.combine(start_date,
 				get_time(workstation_doc.working_hours[0].start_time))
 
+	def add_time_log(self, args):
+		last_row = []
+		employees = args.employees
+		if isinstance(employees, str):
+			employees = json.loads(employees)
+
+		if self.time_logs and len(self.time_logs) > 0:
+			last_row = self.time_logs[-1]
+
+		self.reset_timer_value(args)
+		if last_row and args.get("complete_time"):
+			for row in self.time_logs:
+				if not row.to_time:
+					row.update({
+						"to_time": get_datetime(args.get("complete_time")),
+						"operation": args.get("sub_operation"),
+						"completed_qty": args.get("completed_qty") or 0.0
+					})
+		elif args.get("start_time"):
+			for name in employees:
+				self.append("time_logs", {
+					"from_time": get_datetime(args.get("start_time")),
+					"employee": name.get('employee'),
+					"operation": args.get("sub_operation"),
+					"completed_qty": 0.0
+				})
+
+		if not self.employee:
+			self.set_employees(employees)
+
+		if self.status == "On Hold":
+			self.current_time = time_diff_in_seconds(last_row.to_time, last_row.from_time)
+
+		self.save()
+
+	def set_employees(self, employees):
+		for name in employees:
+			self.append('employee', {
+				'employee': name.get('employee'),
+				'completed_qty': 0.0
+			})
+
+	def reset_timer_value(self, args):
+		self.started_time = None
+
+		if args.get("status") in ["Work In Progress", "Complete"]:
+			self.current_time = 0.0
+
+			if args.get("status") == "Work In Progress":
+				self.started_time = get_datetime(args.get("start_time"))
+
+		if args.get("status") == "Resume Job":
+			args["status"] = "Work In Progress"
+
+		if args.get("status"):
+			self.status = args.get("status")
+
+	def update_sub_operation_status(self):
+		if not (self.sub_operations and self.time_logs):
+			return
+
+		operation_wise_completed_time = {}
+		for time_log in self.time_logs:
+			if time_log.operation not in operation_wise_completed_time:
+				operation_wise_completed_time.setdefault(time_log.operation,
+					frappe._dict({"status": "Pending", "completed_qty":0.0, "completed_time": 0.0, "employee": []}))
+
+			op_row = operation_wise_completed_time[time_log.operation]
+			op_row.status = "Work In Progress" if not time_log.time_in_mins else "Complete"
+			if self.status == 'On Hold':
+				op_row.status = 'Pause'
+
+			op_row.employee.append(time_log.employee)
+			if time_log.time_in_mins:
+				op_row.completed_time += time_log.time_in_mins
+				op_row.completed_qty += time_log.completed_qty
+
+		for row in self.sub_operations:
+			operation_deatils = operation_wise_completed_time.get(row.sub_operation)
+			if operation_deatils:
+				if row.status != 'Complete':
+					row.status = operation_deatils.status
+
+				row.completed_time = operation_deatils.completed_time
+				if operation_deatils.employee:
+					row.completed_time = row.completed_time / len(set(operation_deatils.employee))
+
+					if operation_deatils.completed_qty:
+						row.completed_qty = operation_deatils.completed_qty / len(set(operation_deatils.employee))
+			else:
+				row.status = 'Pending'
+				row.completed_time = 0.0
+				row.completed_qty = 0.0
+
 	def update_time_logs(self, row):
 		self.append("time_logs", {
 			"from_time": row.planned_start_time,
@@ -182,15 +291,18 @@
 
 			if self.get('operation') == d.operation:
 				self.append('items', {
-					'item_code': d.item_code,
-					'source_warehouse': d.source_warehouse,
-					'uom': frappe.db.get_value("Item", d.item_code, 'stock_uom'),
-					'item_name': d.item_name,
-					'description': d.description,
-					'required_qty': (d.required_qty * flt(self.for_quantity)) / doc.qty
+					"item_code": d.item_code,
+					"source_warehouse": d.source_warehouse,
+					"uom": frappe.db.get_value("Item", d.item_code, 'stock_uom'),
+					"item_name": d.item_name,
+					"description": d.description,
+					"required_qty": (d.required_qty * flt(self.for_quantity)) / doc.qty,
+					"rate": d.rate,
+					"amount": d.amount
 				})
 
 	def on_submit(self):
+		self.validate_transfer_qty()
 		self.validate_job_card()
 		self.update_work_order()
 		self.set_transferred_qty()
@@ -199,7 +311,16 @@
 		self.update_work_order()
 		self.set_transferred_qty()
 
+	def validate_transfer_qty(self):
+		if self.items and self.transferred_qty < self.for_quantity:
+			frappe.throw(_('Materials needs to be transferred to the work in progress warehouse for the job card {0}')
+				.format(self.name))
+
 	def validate_job_card(self):
+		if self.work_order and frappe.get_cached_value('Work Order', self.work_order, 'status') == 'Stopped':
+			frappe.throw(_("Transaction not allowed against stopped Work Order {0}")
+				.format(get_link_to_form('Work Order', self.work_order)))
+
 		if not self.time_logs:
 			frappe.throw(_("Time logs are required for {0} {1}")
 				.format(bold("Job Card"), get_link_to_form("Job Card", self.name)))
@@ -215,6 +336,10 @@
 		if not self.work_order:
 			return
 
+		if self.is_corrective_job_card and not cint(frappe.db.get_single_value('Manufacturing Settings',
+			'add_corrective_operation_cost_in_finished_good_valuation')):
+			return
+
 		for_quantity, time_in_mins = 0, 0
 		from_time_list, to_time_list = [], []
 
@@ -225,10 +350,24 @@
 			time_in_mins = flt(data[0].time_in_mins)
 
 		wo = frappe.get_doc('Work Order', self.work_order)
-		if self.operation_id:
+
+		if self.is_corrective_job_card:
+			self.update_corrective_in_work_order(wo)
+
+		elif self.operation_id:
 			self.validate_produced_quantity(for_quantity, wo)
 			self.update_work_order_data(for_quantity, time_in_mins, wo)
 
+	def update_corrective_in_work_order(self, wo):
+		wo.corrective_operation_cost = 0.0
+		for row in frappe.get_all('Job Card', fields = ['total_time_in_mins', 'hour_rate'],
+			filters = {'is_corrective_job_card': 1, 'docstatus': 1, 'work_order': self.work_order}):
+			wo.corrective_operation_cost += flt(row.total_time_in_mins) * flt(row.hour_rate)
+
+		wo.calculate_operating_cost()
+		wo.flags.ignore_validate_update_after_submit = True
+		wo.save()
+
 	def validate_produced_quantity(self, for_quantity, wo):
 		if self.docstatus < 2: return
 
@@ -248,8 +387,8 @@
 					min(from_time) as start_time, max(to_time) as end_time
 				FROM `tabJob Card` jc, `tabJob Card Time Log` jctl
 				WHERE
-					jctl.parent = jc.name and jc.work_order = %s
-					and jc.operation_id = %s and jc.docstatus = 1
+					jctl.parent = jc.name and jc.work_order = %s and jc.operation_id = %s
+					and jc.docstatus = 1 and IFNULL(jc.is_corrective_job_card, 0) = 0
 			""", (self.work_order, self.operation_id), as_dict=1)
 
 		for data in wo.operations:
@@ -271,7 +410,8 @@
 	def get_current_operation_data(self):
 		return frappe.get_all('Job Card',
 			fields = ["sum(total_time_in_mins) as time_in_mins", "sum(total_completed_qty) as completed_qty"],
-			filters = {"docstatus": 1, "work_order": self.work_order, "operation_id": self.operation_id})
+			filters = {"docstatus": 1, "work_order": self.work_order, "operation_id": self.operation_id,
+				"is_corrective_job_card": 0})
 
 	def set_transferred_qty_in_job_card(self, ste_doc):
 		for row in ste_doc.items:
@@ -354,7 +494,11 @@
 				.format(bold(self.operation), work_order), OperationMismatchError)
 
 	def validate_sequence_id(self):
-		if not (self.work_order and self.sequence_id): return
+		if self.is_corrective_job_card:
+			return
+
+		if not (self.work_order and self.sequence_id):
+			return
 
 		current_operation_qty = 0.0
 		data = self.get_current_operation_data()
@@ -376,6 +520,17 @@
 				frappe.throw(_("{0}, complete the operation {1} before the operation {2}.")
 					.format(message, bold(row.operation), bold(self.operation)), OperationSequenceError)
 
+
+@frappe.whitelist()
+def make_time_log(args):
+	if isinstance(args, str):
+		args = json.loads(args)
+
+	args = frappe._dict(args)
+	doc = frappe.get_doc("Job Card", args.job_card_id)
+	doc.validate_sequence_id()
+	doc.add_time_log(args)
+
 @frappe.whitelist()
 def get_operation_details(work_order, operation):
 	if work_order and operation:
@@ -511,3 +666,28 @@
 			events.append(job_card_data)
 
 	return events
+
+@frappe.whitelist()
+def make_corrective_job_card(source_name, operation=None, for_operation=None, target_doc=None):
+	def set_missing_values(source, target):
+		target.is_corrective_job_card = 1
+		target.operation = operation
+		target.for_operation = for_operation
+
+		target.set('time_logs', [])
+		target.set('employee', [])
+		target.set('items', [])
+		target.get_sub_operations()
+		target.get_required_items()
+		target.validate_time_logs()
+
+	doclist = get_mapped_doc("Job Card", source_name, {
+		"Job Card": {
+			"doctype": "Job Card",
+			"field_map": {
+				"name": "for_job_card",
+			},
+		}
+	}, target_doc, set_missing_values)
+
+	return doclist
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/job_card_item/job_card_item.json b/erpnext/manufacturing/doctype/job_card_item/job_card_item.json
index 100ef4c..d91530d 100644
--- a/erpnext/manufacturing/doctype/job_card_item/job_card_item.json
+++ b/erpnext/manufacturing/doctype/job_card_item/job_card_item.json
@@ -25,8 +25,7 @@
    "fieldtype": "Link",
    "in_list_view": 1,
    "label": "Item Code",
-   "options": "Item",
-   "read_only": 1
+   "options": "Item"
   },
   {
    "fieldname": "source_warehouse",
@@ -67,8 +66,7 @@
    "fieldname": "required_qty",
    "fieldtype": "Float",
    "in_list_view": 1,
-   "label": "Required Qty",
-   "read_only": 1
+   "label": "Required Qty"
   },
   {
    "fieldname": "column_break_9",
@@ -107,7 +105,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2021-02-11 13:50:13.804108",
+ "modified": "2021-04-22 18:50:00.003444",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Job Card Item",
diff --git a/erpnext/manufacturing/doctype/job_card_operation/__init__.py b/erpnext/manufacturing/doctype/job_card_operation/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_operation/__init__.py
diff --git a/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.json b/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.json
new file mode 100644
index 0000000..9a8692b
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.json
@@ -0,0 +1,59 @@
+{
+ "actions": [],
+ "creation": "2020-12-07 16:58:38.449041",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "sub_operation",
+  "completed_time",
+  "status",
+  "completed_qty"
+ ],
+ "fields": [
+  {
+   "default": "Pending",
+   "fieldname": "status",
+   "fieldtype": "Select",
+   "in_list_view": 1,
+   "label": "Status",
+   "options": "Complete\nPause\nPending\nWork In Progress",
+   "read_only": 1
+  },
+  {
+   "description": "In mins",
+   "fieldname": "completed_time",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Completed Time",
+   "read_only": 1
+  },
+  {
+   "fieldname": "sub_operation",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Operation",
+   "options": "Operation",
+   "read_only": 1
+  },
+  {
+   "fieldname": "completed_qty",
+   "fieldtype": "Float",
+   "label": "Completed Qty",
+   "read_only": 1
+  }
+ ],
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2021-03-16 18:24:35.399593",
+ "modified_by": "Administrator",
+ "module": "Manufacturing",
+ "name": "Job Card Operation",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
+}
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.py b/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.py
new file mode 100644
index 0000000..85d7298
--- /dev/null
+++ b/erpnext/manufacturing/doctype/job_card_operation/job_card_operation.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+# import frappe
+from frappe.model.document import Document
+
+class JobCardOperation(Document):
+	pass
diff --git a/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json
index 9dd54dd..a7102d7 100644
--- a/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json
+++ b/erpnext/manufacturing/doctype/job_card_time_log/job_card_time_log.json
@@ -1,14 +1,17 @@
 {
+ "actions": [],
  "creation": "2019-03-08 23:56:43.187569",
  "doctype": "DocType",
  "editable_grid": 1,
  "engine": "InnoDB",
  "field_order": [
+  "employee",
   "from_time",
   "to_time",
   "column_break_2",
   "time_in_mins",
-  "completed_qty"
+  "completed_qty",
+  "operation"
  ],
  "fields": [
   {
@@ -41,10 +44,27 @@
    "in_list_view": 1,
    "label": "Completed Qty",
    "reqd": 1
+  },
+  {
+   "fieldname": "employee",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Employee",
+   "options": "Employee"
+  },
+  {
+   "fieldname": "operation",
+   "fieldtype": "Link",
+   "label": "Operation",
+   "no_copy": 1,
+   "options": "Operation",
+   "read_only": 1
   }
  ],
+ "index_web_pages_for_search": 1,
  "istable": 1,
- "modified": "2019-12-03 12:56:02.285448",
+ "links": [],
+ "modified": "2020-12-23 14:30:00.970916",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Job Card Time Log",
diff --git a/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json b/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
index b7634da..024f784 100644
--- a/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
+++ b/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
@@ -26,7 +26,10 @@
   "column_break_16",
   "overproduction_percentage_for_work_order",
   "other_settings_section",
-  "update_bom_costs_automatically"
+  "update_bom_costs_automatically",
+  "add_corrective_operation_cost_in_finished_good_valuation",
+  "column_break_23",
+  "make_serial_no_batch_from_work_order"
  ],
  "fields": [
   {
@@ -155,13 +158,30 @@
   {
    "fieldname": "column_break_5",
    "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "column_break_23",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "description": "System will automatically create the serial numbers / batch for the Finished Good on submission of work order",
+   "fieldname": "make_serial_no_batch_from_work_order",
+   "fieldtype": "Check",
+   "label": "Make Serial No / Batch from Work Order"
+  },
+  {
+   "default": "0",
+   "fieldname": "add_corrective_operation_cost_in_finished_good_valuation",
+   "fieldtype": "Check",
+   "label": "Add Corrective Operation Cost in Finished Good Valuation"
   }
  ],
  "icon": "icon-wrench",
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2020-10-13 10:55:43.996581",
+ "modified": "2021-03-16 15:54:38.967341",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Manufacturing Settings",
@@ -178,4 +198,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "track_changes": 1
-}
+}
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/operation/operation.js b/erpnext/manufacturing/doctype/operation/operation.js
index 5c2aba6..102b678 100644
--- a/erpnext/manufacturing/doctype/operation/operation.js
+++ b/erpnext/manufacturing/doctype/operation/operation.js
@@ -2,7 +2,13 @@
 // For license information, please see license.txt
 
 frappe.ui.form.on('Operation', {
-	refresh: function(frm) {
-
+	setup: function(frm) {
+		frm.set_query('operation', 'sub_operations', function() {
+			return {
+				filters: {
+					'name': ['not in', [frm.doc.name]]
+				}
+			};
+		});
 	}
-});
+});
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/operation/operation.json b/erpnext/manufacturing/doctype/operation/operation.json
index c231fba..10a97ed 100644
--- a/erpnext/manufacturing/doctype/operation/operation.json
+++ b/erpnext/manufacturing/doctype/operation/operation.json
@@ -1,167 +1,132 @@
 {
- "allow_copy": 0, 
- "allow_import": 1, 
- "allow_rename": 1, 
- "autoname": "Prompt", 
- "beta": 0, 
- "creation": "2014-11-07 16:20:30.683186", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Setup", 
- "editable_grid": 0, 
- "engine": "InnoDB", 
+ "actions": [],
+ "allow_import": 1,
+ "allow_rename": 1,
+ "autoname": "Prompt",
+ "creation": "2014-11-07 16:20:30.683186",
+ "doctype": "DocType",
+ "document_type": "Setup",
+ "engine": "InnoDB",
+ "field_order": [
+  "workstation",
+  "data_2",
+  "is_corrective_operation",
+  "job_card_section",
+  "create_job_card_based_on_batch_size",
+  "column_break_6",
+  "batch_size",
+  "sub_operations_section",
+  "sub_operations",
+  "total_operation_time",
+  "section_break_4",
+  "description"
+ ],
  "fields": [
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "workstation", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 1, 
-   "label": "Default Workstation", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "Workstation", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "workstation",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "in_standard_filter": 1,
+   "label": "Default Workstation",
+   "options": "Workstation"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "section_break_4", 
-   "fieldtype": "Section Break", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "collapsible": 1,
+   "fieldname": "section_break_4",
+   "fieldtype": "Section Break",
+   "label": "Operation Description"
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "description", 
-   "fieldtype": "Text", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "in_standard_filter": 0, 
-   "label": "Description", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
+   "fieldname": "description",
+   "fieldtype": "Text",
+   "label": "Description"
+  },
+  {
+   "collapsible": 1,
+   "fieldname": "sub_operations_section",
+   "fieldtype": "Section Break",
+   "label": "Sub Operations"
+  },
+  {
+   "fieldname": "sub_operations",
+   "fieldtype": "Table",
+   "options": "Sub Operation"
+  },
+  {
+   "description": "Time in mins.",
+   "fieldname": "total_operation_time",
+   "fieldtype": "Float",
+   "label": "Total Operation Time",
+   "read_only": 1
+  },
+  {
+   "fieldname": "data_2",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "1",
+   "depends_on": "create_job_card_based_on_batch_size",
+   "fieldname": "batch_size",
+   "fieldtype": "Int",
+   "label": "Batch Size",
+   "mandatory_depends_on": "create_job_card_based_on_batch_size"
+  },
+  {
+   "default": "0",
+   "fieldname": "create_job_card_based_on_batch_size",
+   "fieldtype": "Check",
+   "label": "Create Job Card based on Batch Size"
+  },
+  {
+   "collapsible": 1,
+   "fieldname": "job_card_section",
+   "fieldtype": "Section Break",
+   "label": "Job Card"
+  },
+  {
+   "fieldname": "column_break_6",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "fieldname": "is_corrective_operation",
+   "fieldtype": "Check",
+   "label": "Is Corrective Operation"
   }
- ], 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "icon": "fa fa-wrench", 
- "idx": 0, 
- "image_view": 0, 
- "in_create": 0, 
-
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 0, 
- "max_attachments": 0, 
- "modified": "2016-11-07 05:28:27.462413", 
- "modified_by": "Administrator", 
- "module": "Manufacturing", 
- "name": "Operation", 
- "name_case": "", 
- "owner": "Administrator", 
+ ],
+ "icon": "fa fa-wrench",
+ "index_web_pages_for_search": 1,
+ "links": [],
+ "modified": "2021-01-12 15:09:23.593338",
+ "modified_by": "Administrator",
+ "module": "Manufacturing",
+ "name": "Operation",
+ "owner": "Administrator",
  "permissions": [
   {
-   "amend": 0, 
-   "apply_user_permissions": 0, 
-   "cancel": 0, 
-   "create": 1, 
-   "delete": 1, 
-   "email": 0, 
-   "export": 1, 
-   "if_owner": 0, 
-   "import": 1, 
-   "is_custom": 0, 
-   "permlevel": 0, 
-   "print": 0, 
-   "read": 1, 
-   "report": 0, 
-   "role": "Manufacturing User", 
-   "set_user_permissions": 0, 
-   "share": 1, 
-   "submit": 0, 
+   "create": 1,
+   "delete": 1,
+   "export": 1,
+   "import": 1,
+   "read": 1,
+   "role": "Manufacturing User",
+   "share": 1,
    "write": 1
-  }, 
+  },
   {
-   "amend": 0, 
-   "apply_user_permissions": 0, 
-   "cancel": 0, 
-   "create": 1, 
-   "delete": 1, 
-   "email": 0, 
-   "export": 1, 
-   "if_owner": 0, 
-   "import": 1, 
-   "is_custom": 0, 
-   "permlevel": 0, 
-   "print": 0, 
-   "read": 1, 
-   "report": 1, 
-   "role": "Manufacturing Manager", 
-   "set_user_permissions": 0, 
-   "share": 1, 
-   "submit": 0, 
+   "create": 1,
+   "delete": 1,
+   "export": 1,
+   "import": 1,
+   "read": 1,
+   "report": 1,
+   "role": "Manufacturing Manager",
+   "share": 1,
    "write": 1
   }
- ], 
- "quick_entry": 1, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "sort_field": "modified", 
- "sort_order": "DESC", 
- "track_seen": 0
+ ],
+ "quick_entry": 1,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/operation/operation.py b/erpnext/manufacturing/doctype/operation/operation.py
index 69e8329..374f320 100644
--- a/erpnext/manufacturing/doctype/operation/operation.py
+++ b/erpnext/manufacturing/doctype/operation/operation.py
@@ -2,9 +2,34 @@
 # For license information, please see license.txt
 
 from __future__ import unicode_literals
+
+import frappe
+from frappe import _
 from frappe.model.document import Document
 
 class Operation(Document):
 	def validate(self):
 		if not self.description:
 			self.description = self.name
+
+		self.duplicate_sub_operation()
+		self.set_total_time()
+
+	def duplicate_sub_operation(self):
+		operation_list = []
+		for row in self.sub_operations:
+			if row.operation in operation_list:
+				frappe.throw(_("The operation {0} can not add multiple times")
+					.format(frappe.bold(row.operation)))
+
+			if self.name == row.operation:
+				frappe.throw(_("The operation {0} can not be the sub operation")
+					.format(frappe.bold(row.operation)))
+
+			operation_list.append(row.operation)
+
+	def set_total_time(self):
+		self.total_operation_time = 0.0
+
+		for row in self.sub_operations:
+			self.total_operation_time += row.time_in_mins
diff --git a/erpnext/manufacturing/doctype/sub_operation/__init__.py b/erpnext/manufacturing/doctype/sub_operation/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/manufacturing/doctype/sub_operation/__init__.py
diff --git a/erpnext/manufacturing/doctype/sub_operation/sub_operation.js b/erpnext/manufacturing/doctype/sub_operation/sub_operation.js
new file mode 100644
index 0000000..be9db6a
--- /dev/null
+++ b/erpnext/manufacturing/doctype/sub_operation/sub_operation.js
@@ -0,0 +1,8 @@
+// Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.ui.form.on('Sub Operation', {
+	// refresh: function(frm) {
+
+	// }
+});
diff --git a/erpnext/manufacturing/doctype/sub_operation/sub_operation.json b/erpnext/manufacturing/doctype/sub_operation/sub_operation.json
new file mode 100644
index 0000000..f63d2b9
--- /dev/null
+++ b/erpnext/manufacturing/doctype/sub_operation/sub_operation.json
@@ -0,0 +1,51 @@
+{
+ "actions": [],
+ "creation": "2020-12-07 15:39:47.488519",
+ "doctype": "DocType",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "operation",
+  "time_in_mins",
+  "column_break_5",
+  "description"
+ ],
+ "fields": [
+  {
+   "fieldname": "operation",
+   "fieldtype": "Link",
+   "in_list_view": 1,
+   "label": "Operation",
+   "options": "Operation"
+  },
+  {
+   "description": "Time in mins",
+   "fieldname": "time_in_mins",
+   "fieldtype": "Float",
+   "in_list_view": 1,
+   "label": "Operation Time"
+  },
+  {
+   "fieldname": "column_break_5",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "description",
+   "fieldtype": "Small Text",
+   "label": "Description"
+  }
+ ],
+ "index_web_pages_for_search": 1,
+ "istable": 1,
+ "links": [],
+ "modified": "2020-12-07 18:09:18.005578",
+ "modified_by": "Administrator",
+ "module": "Manufacturing",
+ "name": "Sub Operation",
+ "owner": "Administrator",
+ "permissions": [],
+ "quick_entry": 1,
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "track_changes": 1
+}
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/sub_operation/sub_operation.py b/erpnext/manufacturing/doctype/sub_operation/sub_operation.py
new file mode 100644
index 0000000..f4b2775
--- /dev/null
+++ b/erpnext/manufacturing/doctype/sub_operation/sub_operation.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+# import frappe
+from frappe.model.document import Document
+
+class SubOperation(Document):
+	pass
diff --git a/erpnext/manufacturing/doctype/sub_operation/test_sub_operation.py b/erpnext/manufacturing/doctype/sub_operation/test_sub_operation.py
new file mode 100644
index 0000000..d3410ca
--- /dev/null
+++ b/erpnext/manufacturing/doctype/sub_operation/test_sub_operation.py
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2020, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+from __future__ import unicode_literals
+
+# import frappe
+import unittest
+
+class TestSubOperation(unittest.TestCase):
+	pass
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.js b/erpnext/manufacturing/doctype/work_order/work_order.js
index 8088d93..5120485 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.js
+++ b/erpnext/manufacturing/doctype/work_order/work_order.js
@@ -141,8 +141,7 @@
 		}
 
 		if (frm.doc.docstatus === 1
-			&& frm.doc.operations && frm.doc.operations.length
-			&& frm.doc.qty != frm.doc.material_transferred_for_manufacturing) {
+			&& frm.doc.operations && frm.doc.operations.length) {
 
 			const not_completed = frm.doc.operations.filter(d => {
 				if(d.status != 'Completed') {
@@ -190,35 +189,41 @@
 		const dialog = frappe.prompt({fieldname: 'operations', fieldtype: 'Table', label: __('Operations'),
 			fields: [
 				{
-					fieldtype:'Link',
-					fieldname:'operation',
+					fieldtype: 'Link',
+					fieldname: 'operation',
 					label: __('Operation'),
-					read_only:1,
-					in_list_view:1
+					read_only: 1,
+					in_list_view: 1
 				},
 				{
-					fieldtype:'Link',
-					fieldname:'workstation',
+					fieldtype: 'Link',
+					fieldname: 'workstation',
 					label: __('Workstation'),
-					read_only:1,
-					in_list_view:1
+					read_only: 1,
+					in_list_view: 1
 				},
 				{
-					fieldtype:'Data',
-					fieldname:'name',
+					fieldtype: 'Data',
+					fieldname: 'name',
 					label: __('Operation Id')
 				},
 				{
-					fieldtype:'Float',
-					fieldname:'pending_qty',
+					fieldtype: 'Float',
+					fieldname: 'pending_qty',
 					label: __('Pending Qty'),
 				},
 				{
-					fieldtype:'Float',
-					fieldname:'qty',
+					fieldtype: 'Float',
+					fieldname: 'qty',
 					label: __('Quantity to Manufacture'),
-					read_only:0,
-					in_list_view:1,
+					read_only: 0,
+					in_list_view: 1,
+				},
+				{
+					fieldtype: 'Float',
+					fieldname: 'batch_size',
+					label: __('Batch Size'),
+					read_only: 1
 				},
 			],
 			data: operations_data,
@@ -229,9 +234,13 @@
 		}, function(data) {
 			frappe.call({
 				method: "erpnext.manufacturing.doctype.work_order.work_order.make_job_card",
+				freeze: true,
 				args: {
 					work_order: frm.doc.name,
 					operations: data.operations,
+				},
+				callback: function() {
+					frm.reload_doc();
 				}
 			});
 		}, __("Job Card"), __("Create"));
@@ -243,13 +252,16 @@
 			if(data.completed_qty != frm.doc.qty) {
 				pending_qty = frm.doc.qty - flt(data.completed_qty);
 
-				dialog.fields_dict.operations.df.data.push({
-					'name': data.name,
-					'operation': data.operation,
-					'workstation': data.workstation,
-					'qty': pending_qty,
-					'pending_qty': pending_qty,
-				});
+				if (pending_qty) {
+					dialog.fields_dict.operations.df.data.push({
+						'name': data.name,
+						'operation': data.operation,
+						'workstation': data.workstation,
+						'batch_size': data.batch_size,
+						'qty': pending_qty,
+						'pending_qty': pending_qty
+					});
+				}
 			}
 		});
 		dialog.fields_dict.operations.grid.refresh();
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.json b/erpnext/manufacturing/doctype/work_order/work_order.json
index cd9edee..44d76d2 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.json
+++ b/erpnext/manufacturing/doctype/work_order/work_order.json
@@ -21,6 +21,12 @@
   "produced_qty",
   "sales_order",
   "project",
+  "serial_no_and_batch_for_finished_good_section",
+  "has_serial_no",
+  "has_batch_no",
+  "column_break_17",
+  "serial_no",
+  "batch_size",
   "settings_section",
   "allow_alternative_item",
   "use_multi_level_bom",
@@ -52,6 +58,7 @@
   "actual_operating_cost",
   "additional_operating_cost",
   "column_break_24",
+  "corrective_operation_cost",
   "total_operating_cost",
   "more_info",
   "description",
@@ -488,6 +495,57 @@
    "fieldtype": "Float",
    "label": "Lead Time",
    "read_only": 1
+  },
+  {
+   "collapsible": 1,
+   "depends_on": "eval:!doc.__islocal",
+   "fieldname": "serial_no_and_batch_for_finished_good_section",
+   "fieldtype": "Section Break",
+   "label": "Serial No and Batch for Finished Good"
+  },
+  {
+   "fieldname": "column_break_17",
+   "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "fetch_from": "production_item.has_serial_no",
+   "fieldname": "has_serial_no",
+   "fieldtype": "Check",
+   "label": "Has Serial No",
+   "read_only": 1
+  },
+  {
+   "default": "0",
+   "fetch_from": "production_item.has_batch_no",
+   "fieldname": "has_batch_no",
+   "fieldtype": "Check",
+   "label": "Has Batch No",
+   "read_only": 1
+  },
+  {
+   "depends_on": "has_serial_no",
+   "fieldname": "serial_no",
+   "fieldtype": "Small Text",
+   "label": "Serial Nos",
+   "no_copy": 1
+  },
+  {
+   "default": "0",
+   "depends_on": "has_batch_no",
+   "fieldname": "batch_size",
+   "fieldtype": "Float",
+   "label": "Batch Size"
+  },
+  {
+   "allow_on_submit": 1,
+   "description": "From Corrective Job Card",
+   "fieldname": "corrective_operation_cost",
+   "fieldtype": "Currency",
+   "label": "Corrective Operation Cost",
+   "no_copy": 1,
+   "print_hide": 1,
+   "read_only": 1
   }
  ],
  "icon": "fa fa-cogs",
@@ -495,7 +553,7 @@
  "image_field": "image",
  "is_submittable": 1,
  "links": [],
- "modified": "2021-03-16 13:27:51.116484",
+ "modified": "2021-06-20 15:19:14.902699",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Work Order",
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index 2600790..e343ed2 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -19,14 +19,16 @@
 from erpnext.stock.utils import get_bin, validate_warehouse_company, get_latest_stock_qty
 from erpnext.utilities.transaction_base import validate_uom_is_integer
 from frappe.model.mapper import get_mapped_doc
+from erpnext.stock.doctype.batch.batch import make_batch
+from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos, get_auto_serial_nos, auto_make_serial_nos
 
 class OverProductionError(frappe.ValidationError): pass
 class CapacityError(frappe.ValidationError): pass
 class StockOverProductionError(frappe.ValidationError): pass
 class OperationTooLongError(frappe.ValidationError): pass
 class ItemHasVariantError(frappe.ValidationError): pass
-
-from six import string_types
+class SerialNoQtyError(frappe.ValidationError):
+	pass
 
 form_grid_templates = {
 	"operations": "templates/form_grid/work_order_grid.html"
@@ -127,7 +129,9 @@
 
 		variable_cost = self.actual_operating_cost if self.actual_operating_cost \
 			else self.planned_operating_cost
-		self.total_operating_cost = flt(self.additional_operating_cost) + flt(variable_cost)
+
+		self.total_operating_cost = (flt(self.additional_operating_cost)
+			+ flt(variable_cost) + flt(self.corrective_operation_cost))
 
 	def validate_work_order_against_so(self):
 		# already ordered qty
@@ -235,12 +239,15 @@
 
 		production_plan.run_method("update_produced_qty", produced_qty, self.production_plan_item)
 
+	def before_submit(self):
+		self.create_serial_no_batch_no()
+
 	def on_submit(self):
 		if not self.wip_warehouse:
 			frappe.throw(_("Work-in-Progress Warehouse is required before Submit"))
 		if not self.fg_warehouse:
 			frappe.throw(_("For Warehouse is required before Submit"))
-		
+
 		if self.production_plan and frappe.db.exists('Production Plan Item Reference',{'parent':self.production_plan}):
 			self.update_work_order_qty_in_combined_so()
 		else:
@@ -260,12 +267,76 @@
 			self.update_work_order_qty_in_combined_so()
 		else:
 			self.update_work_order_qty_in_so()
-			
+
 		self.delete_job_card()
 		self.update_completed_qty_in_material_request()
 		self.update_planned_qty()
 		self.update_ordered_qty()
 		self.update_reserved_qty_for_production()
+		self.delete_auto_created_batch_and_serial_no()
+
+	def create_serial_no_batch_no(self):
+		if not (self.has_serial_no or self.has_batch_no):
+			return
+
+		if not cint(frappe.db.get_single_value("Manufacturing Settings", "make_serial_no_batch_from_work_order")):
+			return
+
+		if self.has_batch_no:
+			self.create_batch_for_finished_good()
+
+		args = {
+			"item_code": self.production_item,
+			"work_order": self.name
+		}
+
+		if self.has_serial_no:
+			self.make_serial_nos(args)
+
+	def create_batch_for_finished_good(self):
+		total_qty = self.qty
+		if not self.batch_size:
+			self.batch_size = total_qty
+
+		while total_qty > 0:
+			qty = self.batch_size
+			if self.batch_size >= total_qty:
+				qty = total_qty
+
+			if total_qty > self.batch_size:
+				total_qty -= self.batch_size
+			else:
+				qty = total_qty
+				total_qty = 0
+
+			make_batch(frappe._dict({
+				"item": self.production_item,
+				"qty_to_produce": qty,
+				"reference_doctype": self.doctype,
+				"reference_name": self.name
+			}))
+
+	def delete_auto_created_batch_and_serial_no(self):
+		for row in frappe.get_all("Serial No", filters = {"work_order": self.name}):
+			frappe.delete_doc("Serial No", row.name)
+			self.db_set("serial_no", "")
+
+		for row in frappe.get_all("Batch", filters = {"reference_name": self.name}):
+			frappe.delete_doc("Batch", row.name)
+
+	def make_serial_nos(self, args):
+		serial_no_series = frappe.get_cached_value("Item", self.production_item, "serial_no_series")
+		if serial_no_series:
+			self.serial_no = get_auto_serial_nos(serial_no_series, self.qty)
+
+		if self.serial_no:
+			args.update({"serial_no": self.serial_no, "actual_qty": self.qty})
+			auto_make_serial_nos(args)
+
+		serial_nos_length = len(get_serial_nos(self.serial_no))
+		if serial_nos_length != self.qty:
+			frappe.throw(_("{0} Serial Numbers required for Item {1}. You have provided {2}.")
+				.format(self.qty, self.production_item, serial_nos_length), SerialNoQtyError)
 
 	def create_job_card(self):
 		manufacturing_settings_doc = frappe.get_doc("Manufacturing Settings")
@@ -273,32 +344,40 @@
 		enable_capacity_planning = not cint(manufacturing_settings_doc.disable_capacity_planning)
 		plan_days = cint(manufacturing_settings_doc.capacity_planning_for_days) or 30
 
-		for i, row in enumerate(self.operations):
-			self.set_operation_start_end_time(i, row)
-
-			if not row.workstation:
-				frappe.throw(_("Row {0}: select the workstation against the operation {1}")
-					.format(row.idx, row.operation))
-
-			original_start_time = row.planned_start_time
-			job_card_doc = create_job_card(self, row,
-				enable_capacity_planning=enable_capacity_planning, auto_create=True)
-
-			if enable_capacity_planning and job_card_doc:
-				row.planned_start_time = job_card_doc.time_logs[-1].from_time
-				row.planned_end_time = job_card_doc.time_logs[-1].to_time
-
-				if date_diff(row.planned_start_time, original_start_time) > plan_days:
-					frappe.message_log.pop()
-					frappe.throw(_("Unable to find the time slot in the next {0} days for the operation {1}.")
-						.format(plan_days, row.operation), CapacityError)
-
-				row.db_update()
+		for index, row in enumerate(self.operations):
+			qty = self.qty
+			while qty > 0:
+				qty = split_qty_based_on_batch_size(self, row, qty)
+				if row.job_card_qty > 0:
+					self.prepare_data_for_job_card(row, index,
+						plan_days, enable_capacity_planning)
 
 		planned_end_date = self.operations and self.operations[-1].planned_end_time
 		if planned_end_date:
 			self.db_set("planned_end_date", planned_end_date)
 
+	def prepare_data_for_job_card(self, row, index, plan_days, enable_capacity_planning):
+		self.set_operation_start_end_time(index, row)
+
+		if not row.workstation:
+			frappe.throw(_("Row {0}: select the workstation against the operation {1}")
+				.format(row.idx, row.operation))
+
+		original_start_time = row.planned_start_time
+		job_card_doc = create_job_card(self, row, auto_create=True,
+			enable_capacity_planning=enable_capacity_planning)
+
+		if enable_capacity_planning and job_card_doc:
+			row.planned_start_time = job_card_doc.time_logs[-1].from_time
+			row.planned_end_time = job_card_doc.time_logs[-1].to_time
+
+			if date_diff(row.planned_start_time, original_start_time) > plan_days:
+				frappe.message_log.pop()
+				frappe.throw(_("Unable to find the time slot in the next {0} days for the operation {1}.")
+					.format(plan_days, row.operation), CapacityError)
+
+			row.db_update()
+
 	def set_operation_start_end_time(self, idx, row):
 		"""Set start and end time for given operation. If first operation, set start as
 		`planned_start_date`, else add time diff to end time of earlier operation."""
@@ -365,7 +444,7 @@
 		work_order_qty = qty[0][0] if qty and qty[0][0] else 0
 		frappe.db.set_value('Sales Order Item',
 			self.sales_order_item, 'work_order_qty', flt(work_order_qty/total_bundle_qty, 2))
-		
+
 	def update_work_order_qty_in_combined_so(self):
 		total_bundle_qty = 1
 		if self.product_bundle_item:
@@ -378,7 +457,7 @@
 
 		prod_plan = frappe.get_doc('Production Plan', self.production_plan)
 		item_reference = frappe.get_value('Production Plan Item', self.production_plan_item, 'sales_order_item')
-		
+
 		for plan_reference in prod_plan.prod_plan_references:
 			work_order_qty = 0.0
 			if plan_reference.item_reference == item_reference:
@@ -386,7 +465,7 @@
 					work_order_qty = flt(plan_reference.qty) / total_bundle_qty
 				frappe.db.set_value('Sales Order Item',
 					plan_reference.sales_order_item, 'work_order_qty', work_order_qty)
-	
+
 	def update_completed_qty_in_material_request(self):
 		if self.material_request:
 			frappe.get_doc("Material Request", self.material_request).update_completed_qty([self.material_request_item])
@@ -669,6 +748,17 @@
 		bom.set_bom_material_details()
 		return bom
 
+	def update_batch_produced_qty(self, stock_entry_doc):
+		if not cint(frappe.db.get_single_value("Manufacturing Settings", "make_serial_no_batch_from_work_order")):
+			return
+
+		for row in stock_entry_doc.items:
+			if row.batch_no and (row.is_finished_item or row.is_scrap_item):
+				qty = frappe.get_all("Stock Entry Detail", filters = {"batch_no": row.batch_no, "docstatus": 1},
+					or_filters= {"is_finished_item": 1, "is_scrap_item": 1}, fields = ["sum(qty)"], as_list=1)[0][0]
+
+				frappe.db.set_value("Batch", row.batch_no, "produced_qty", flt(qty))
+
 @frappe.whitelist()
 @frappe.validate_and_sanitize_search_inputs
 def get_bom_operations(doctype, txt, searchfield, start, page_len, filters):
@@ -746,7 +836,7 @@
 	return wo_doc
 
 def add_variant_item(variant_items, wo_doc, bom_no, table_name="items"):
-	if isinstance(variant_items, string_types):
+	if isinstance(variant_items, str):
 		variant_items = json.loads(variant_items)
 
 	for item in variant_items:
@@ -826,6 +916,7 @@
 
 	stock_entry.set_stock_entry_type()
 	stock_entry.get_items()
+	stock_entry.set_serial_no_batch_for_finished_good()
 	return stock_entry.as_dict()
 
 @frappe.whitelist()
@@ -867,13 +958,47 @@
 
 @frappe.whitelist()
 def make_job_card(work_order, operations):
-	if isinstance(operations, string_types):
+	if isinstance(operations, str):
 		operations = json.loads(operations)
 
 	work_order = frappe.get_doc('Work Order', work_order)
 	for row in operations:
+		row = frappe._dict(row)
 		validate_operation_data(row)
-		create_job_card(work_order, row, row.get("qty"), auto_create=True)
+		qty = row.get("qty")
+		while qty > 0:
+			qty = split_qty_based_on_batch_size(work_order, row, qty)
+			if row.job_card_qty > 0:
+				create_job_card(work_order, row, auto_create=True)
+
+def split_qty_based_on_batch_size(wo_doc, row, qty):
+	if not cint(frappe.db.get_value("Operation",
+		row.operation, "create_job_card_based_on_batch_size")):
+		row.batch_size = row.get("qty") or wo_doc.qty
+
+	row.job_card_qty = row.batch_size
+	if row.batch_size and qty >= row.batch_size:
+		qty -= row.batch_size
+	elif qty > 0:
+		row.job_card_qty = qty
+		qty = 0
+
+	get_serial_nos_for_job_card(row, wo_doc)
+
+	return qty
+
+def get_serial_nos_for_job_card(row, wo_doc):
+	if not wo_doc.serial_no:
+		return
+
+	serial_nos = get_serial_nos(wo_doc.serial_no)
+	used_serial_nos = []
+	for d in frappe.get_all('Job Card', fields=['serial_no'],
+		filters={'docstatus': ('<', 2), 'work_order': wo_doc.name, 'operation_id': row.name}):
+		used_serial_nos.extend(get_serial_nos(d.serial_no))
+
+	serial_nos = sorted(list(set(serial_nos) - set(used_serial_nos)))
+	row.serial_no = '\n'.join(serial_nos[0:row.job_card_qty])
 
 def validate_operation_data(row):
 	if row.get("qty") <= 0:
@@ -892,20 +1017,22 @@
 			)
 		)
 
-def create_job_card(work_order, row, qty=0, enable_capacity_planning=False, auto_create=False):
+def create_job_card(work_order, row, enable_capacity_planning=False, auto_create=False):
 	doc = frappe.new_doc("Job Card")
 	doc.update({
 		'work_order': work_order.name,
 		'operation': row.get("operation"),
 		'workstation': row.get("workstation"),
 		'posting_date': nowdate(),
-		'for_quantity': qty or work_order.get('qty', 0),
+		'for_quantity': row.job_card_qty or work_order.get('qty', 0),
 		'operation_id': row.get("name"),
 		'bom_no': work_order.bom_no,
 		'project': work_order.project,
 		'company': work_order.company,
 		'sequence_id': row.get("sequence_id"),
-		'wip_warehouse': work_order.wip_warehouse
+		'wip_warehouse': work_order.wip_warehouse,
+		'hour_rate': row.get("hour_rate"),
+		'serial_no': row.get("serial_no")
 	})
 
 	if work_order.transfer_material_against == 'Job Card' and not work_order.skip_transfer:
diff --git a/erpnext/manufacturing/doctype/work_order/work_order_dashboard.py b/erpnext/manufacturing/doctype/work_order/work_order_dashboard.py
index 87c090f..9aa0715 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order_dashboard.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order_dashboard.py
@@ -4,10 +4,17 @@
 def get_data():
 	return {
 		'fieldname': 'work_order',
+		'non_standard_fieldnames': {
+			'Batch': 'reference_name'
+		},
 		'transactions': [
 			{
 				'label': _('Transactions'),
 				'items': ['Stock Entry', 'Job Card', 'Pick List']
+			},
+			{
+				'label': _('Reference'),
+				'items': ['Serial No', 'Batch']
 			}
 		]
 	}
\ No newline at end of file
diff --git a/erpnext/manufacturing/doctype/work_order_operation/work_order_operation.json b/erpnext/manufacturing/doctype/work_order_operation/work_order_operation.json
index 8c5cde9..6d8fb80 100644
--- a/erpnext/manufacturing/doctype/work_order_operation/work_order_operation.json
+++ b/erpnext/manufacturing/doctype/work_order_operation/work_order_operation.json
@@ -8,8 +8,9 @@
   "details",
   "operation",
   "bom",
-  "sequence_id",
+  "column_break_4",
   "description",
+  "sequence_id",
   "col_break1",
   "completed_qty",
   "status",
@@ -195,12 +196,16 @@
    "label": "Sequence ID",
    "print_hide": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "column_break_4",
+   "fieldtype": "Column Break"
   }
  ],
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2020-10-14 12:58:49.241252",
+ "modified": "2021-01-12 14:48:31.061286",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Work Order Operation",
diff --git a/erpnext/manufacturing/report/cost_of_poor_quality_report/__init__.py b/erpnext/manufacturing/report/cost_of_poor_quality_report/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/manufacturing/report/cost_of_poor_quality_report/__init__.py
diff --git a/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.js b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.js
new file mode 100644
index 0000000..97e7e0a
--- /dev/null
+++ b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.js
@@ -0,0 +1,105 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Cost of Poor Quality Report"] = {
+	"filters": [
+		{
+			label: __("Company"),
+			fieldname: "company",
+			fieldtype: "Link",
+			options: "Company",
+			default: frappe.defaults.get_user_default("Company"),
+			reqd: 1
+		},
+		{
+			label: __("From Date"),
+			fieldname:"from_date",
+			fieldtype: "Datetime",
+			default: frappe.datetime.convert_to_system_tz(frappe.datetime.add_months(frappe.datetime.now_datetime(), -1)),
+			reqd: 1
+		},
+		{
+			label: __("To Date"),
+			fieldname:"to_date",
+			fieldtype: "Datetime",
+			default: frappe.datetime.now_datetime(),
+			reqd: 1,
+		},
+		{
+			label: __("Job Card"),
+			fieldname: "name",
+			fieldtype: "Link",
+			options: "Job Card",
+			get_query: function() {
+				return {
+					filters: {
+						is_corrective_job_card: 1,
+						docstatus: 1
+					}
+				}
+			}
+		},
+		{
+			label: __("Work Order"),
+			fieldname: "work_order",
+			fieldtype: "Link",
+			options: "Work Order"
+		},
+		{
+			label: __("Operation"),
+			fieldname: "operation",
+			fieldtype: "Link",
+			options: "Operation",
+			get_query: function() {
+				return {
+					filters: {
+						is_corrective_operation: 1
+					}
+				}
+			}
+		},
+		{
+			label: __("Workstation"),
+			fieldname: "workstation",
+			fieldtype: "Link",
+			options: "Workstation"
+		},
+		{
+			label: __("Item"),
+			fieldname: "production_item",
+			fieldtype: "Link",
+			options: "Item"
+		},
+		{
+			label: __("Serial No"),
+			fieldname: "serial_no",
+			fieldtype: "Link",
+			options: "Serial No",
+			depends_on: "eval: doc.production_item",
+			get_query: function() {
+				var item_code = frappe.query_report.get_filter_value('production_item');
+				return {
+					filters: {
+						item_code: item_code
+					}
+				}
+			}
+		},
+		{
+			label: __("Batch No"),
+			fieldname: "batch_no",
+			fieldtype: "Link",
+			options: "Batch No",
+			depends_on: "eval: doc.production_item",
+			get_query: function() {
+				var item_code = frappe.query_report.get_filter_value('production_item');
+				return {
+					filters: {
+						item: item_code
+					}
+				}
+			}
+		},
+	]
+};
diff --git a/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.json b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.json
new file mode 100644
index 0000000..ee63bc1
--- /dev/null
+++ b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.json
@@ -0,0 +1,33 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2021-01-11 11:10:58.292896",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "json": "{}",
+ "modified": "2021-01-11 11:11:03.594242",
+ "modified_by": "Administrator",
+ "module": "Manufacturing",
+ "name": "Cost of Poor Quality Report",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Job Card",
+ "report_name": "Cost of Poor Quality Report",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "System Manager"
+  },
+  {
+   "role": "Manufacturing User"
+  },
+  {
+   "role": "Manufacturing Manager"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.py b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.py
new file mode 100644
index 0000000..9f81e7d
--- /dev/null
+++ b/erpnext/manufacturing/report/cost_of_poor_quality_report/cost_of_poor_quality_report.py
@@ -0,0 +1,127 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _
+from frappe.utils import flt
+
+def execute(filters=None):
+	columns, data = [], []
+
+	columns = get_columns(filters)
+	data = get_data(filters)
+
+	return columns, data
+
+def get_data(report_filters):
+	data = []
+	operations = frappe.get_all("Operation", filters = {"is_corrective_operation": 1})
+	if operations:
+		operations = [d.name for d in operations]
+		fields = ["production_item as item_code", "item_name", "work_order", "operation",
+			"workstation", "total_time_in_mins", "name", "hour_rate", "serial_no", "batch_no"]
+
+		filters = get_filters(report_filters, operations)
+
+		job_cards = frappe.get_all("Job Card", fields = fields,
+			filters = filters)
+
+		for row in job_cards:
+			row.operating_cost = flt(row.hour_rate) * (flt(row.total_time_in_mins) / 60.0)
+			update_raw_material_cost(row, report_filters)
+			data.append(row)
+
+	return data
+
+def get_filters(report_filters, operations):
+	filters = {"docstatus": 1, "operation": ("in", operations), "is_corrective_job_card": 1}
+	for field in ["name", "work_order", "operation", "workstation", "company", "serial_no", "batch_no", "production_item"]:
+		if report_filters.get(field):
+			if field != 'serial_no':
+				filters[field] = report_filters.get(field)
+			else:
+				filters[field] = ('like', '% {} %'.format(report_filters.get(field)))
+
+	return filters
+
+def update_raw_material_cost(row, filters):
+	row.rm_cost = 0.0
+	for data in frappe.get_all("Job Card Item", fields = ["amount"],
+		filters={"parent": row.name, "docstatus": 1}):
+		row.rm_cost += data.amount
+
+def get_columns(filters):
+	return [
+		{
+			"label": _("Job Card"),
+			"fieldtype": "Link",
+			"fieldname": "name",
+			"options": "Job Card",
+			"width": "100"
+		},
+		{
+			"label": _("Work Order"),
+			"fieldtype": "Link",
+			"fieldname": "work_order",
+			"options": "Work Order",
+			"width": "100"
+		},
+		{
+			"label": _("Item Code"),
+			"fieldtype": "Link",
+			"fieldname": "item_code",
+			"options": "Item",
+			"width": "100"
+		},
+		{
+			"label": _("Item Name"),
+			"fieldtype": "Data",
+			"fieldname": "item_name",
+			"width": "100"
+		},
+		{
+			"label": _("Operation"),
+			"fieldtype": "Link",
+			"fieldname": "operation",
+			"options": "Operation",
+			"width": "100"
+		},
+		{
+			"label": _("Serial No"),
+			"fieldtype": "Data",
+			"fieldname": "serial_no",
+			"width": "100"
+		},
+		{
+			"label": _("Batch No"),
+			"fieldtype": "Data",
+			"fieldname": "batch_no",
+			"width": "100"
+		},
+		{
+			"label": _("Workstation"),
+			"fieldtype": "Link",
+			"fieldname": "workstation",
+			"options": "Workstation",
+			"width": "100"
+		},
+		{
+			"label": _("Operating Cost"),
+			"fieldtype": "Currency",
+			"fieldname": "operating_cost",
+			"width": "100"
+		},
+		{
+			"label": _("Raw Material Cost"),
+			"fieldtype": "Currency",
+			"fieldname": "rm_cost",
+			"width": "100"
+		},
+		{
+			"label": _("Total Time (in Mins)"),
+			"fieldtype": "Float",
+			"fieldname": "total_time_in_mins",
+			"width": "100"
+		}
+	]
\ No newline at end of file
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index dd0e33b..2b1fc43 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -288,4 +288,5 @@
 erpnext.patches.v13_0.update_timesheet_changes
 erpnext.patches.v13_0.set_training_event_attendance
 erpnext.patches.v13_0.rename_issue_status_hold_to_on_hold
-erpnext.patches.v13_0.bill_for_rejected_quantity_in_purchase_invoice
\ No newline at end of file
+erpnext.patches.v13_0.bill_for_rejected_quantity_in_purchase_invoice
+erpnext.patches.v13_0.update_job_card_details
diff --git a/erpnext/patches/v13_0/update_job_card_details.py b/erpnext/patches/v13_0/update_job_card_details.py
new file mode 100644
index 0000000..d4e65c6
--- /dev/null
+++ b/erpnext/patches/v13_0/update_job_card_details.py
@@ -0,0 +1,16 @@
+# Copyright (c) 2019, Frappe and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	frappe.reload_doc("manufacturing", "doctype", "job_card")
+	frappe.reload_doc("manufacturing", "doctype", "job_card_item")
+	frappe.reload_doc("manufacturing", "doctype", "work_order_operation")
+
+	frappe.db.sql(""" update `tabJob Card` jc, `tabWork Order Operation` wo
+		SET	jc.hour_rate =  wo.hour_rate
+		WHERE
+			jc.operation_id = wo.name and jc.docstatus < 2 and wo.hour_rate > 0
+	""")
\ No newline at end of file
diff --git a/erpnext/stock/doctype/batch/batch.json b/erpnext/stock/doctype/batch/batch.json
index 943cb34..e6d2e13 100644
--- a/erpnext/stock/doctype/batch/batch.json
+++ b/erpnext/stock/doctype/batch/batch.json
@@ -1,4 +1,5 @@
 {
+ "actions": [],
  "allow_import": 1,
  "autoname": "field:batch_id",
  "creation": "2013-03-05 14:50:38",
@@ -25,7 +26,11 @@
   "reference_doctype",
   "reference_name",
   "section_break_7",
-  "description"
+  "description",
+  "manufacturing_section",
+  "qty_to_produce",
+  "column_break_23",
+  "produced_qty"
  ],
  "fields": [
   {
@@ -160,13 +165,35 @@
    "label": "Batch UOM",
    "options": "UOM",
    "read_only": 1
+  },
+  {
+   "fieldname": "manufacturing_section",
+   "fieldtype": "Section Break",
+   "label": "Manufacturing"
+  },
+  {
+   "fieldname": "qty_to_produce",
+   "fieldtype": "Float",
+   "label": "Qty To Produce",
+   "read_only": 1
+  },
+  {
+   "fieldname": "column_break_23",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "produced_qty",
+   "fieldtype": "Float",
+   "label": "Produced Qty",
+   "read_only": 1
   }
  ],
  "icon": "fa fa-archive",
  "idx": 1,
  "image_field": "image",
+ "links": [],
  "max_attachments": 5,
- "modified": "2020-09-18 17:26:09.703215",
+ "modified": "2021-01-07 11:10:09.149170",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Batch",
diff --git a/erpnext/stock/doctype/batch/batch.py b/erpnext/stock/doctype/batch/batch.py
index 508e17c..bb5ad5c 100644
--- a/erpnext/stock/doctype/batch/batch.py
+++ b/erpnext/stock/doctype/batch/batch.py
@@ -308,4 +308,9 @@
 
 	message = "Serial Nos" if len(serial_nos) > 1 else "Serial No"
 	frappe.throw(_("There is no batch found against the {0}: {1}")
-		.format(message, serial_no_link))
\ No newline at end of file
+		.format(message, serial_no_link))
+
+def make_batch(args):
+	if frappe.db.get_value("Item", args.item, "has_batch_no"):
+		args.doctype = "Batch"
+		frappe.get_doc(args).insert().name
\ No newline at end of file
diff --git a/erpnext/stock/doctype/serial_no/serial_no.json b/erpnext/stock/doctype/serial_no/serial_no.json
index 3acf3a9..a3d44af 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.json
+++ b/erpnext/stock/doctype/serial_no/serial_no.json
@@ -57,7 +57,8 @@
   "more_info",
   "serial_no_details",
   "company",
-  "status"
+  "status",
+  "work_order"
  ],
  "fields": [
   {
@@ -422,12 +423,18 @@
    "label": "Status",
    "options": "\nActive\nInactive\nDelivered\nExpired",
    "read_only": 1
+  },
+  {
+   "fieldname": "work_order",
+   "fieldtype": "Link",
+   "label": "Work Order",
+   "options": "Work Order"
   }
  ],
  "icon": "fa fa-barcode",
  "idx": 1,
  "links": [],
- "modified": "2020-07-20 20:50:16.660433",
+ "modified": "2021-01-08 14:31:15.375996",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Serial No",
diff --git a/erpnext/stock/doctype/serial_no/serial_no.py b/erpnext/stock/doctype/serial_no/serial_no.py
index b236f6a..bad7b60 100644
--- a/erpnext/stock/doctype/serial_no/serial_no.py
+++ b/erpnext/stock/doctype/serial_no/serial_no.py
@@ -473,16 +473,13 @@
 		if s.strip()]
 
 def update_args_for_serial_no(serial_no_doc, serial_no, args, is_new=False):
-	serial_no_doc.update({
-		"item_code": args.get("item_code"),
-		"company": args.get("company"),
-		"batch_no": args.get("batch_no"),
-		"via_stock_ledger": args.get("via_stock_ledger") or True,
-		"supplier": args.get("supplier"),
-		"location": args.get("location"),
-		"warehouse": (args.get("warehouse")
-			if args.get("actual_qty", 0) > 0 else None)
-	})
+	for field in ["item_code", "work_order", "company", "batch_no", "supplier", "location"]:
+		if args.get(field):
+			serial_no_doc.set(field, args.get(field))
+
+	serial_no_doc.via_stock_ledger = args.get("via_stock_ledger") or True
+	serial_no_doc.warehouse = (args.get("warehouse")
+		if args.get("actual_qty", 0) > 0 else None)
 
 	if is_new:
 		serial_no_doc.serial_no = serial_no
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.py b/erpnext/stock/doctype/stock_entry/stock_entry.py
index 66f8b63..8f27ef4 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.py
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.py
@@ -498,6 +498,7 @@
 				d.basic_amount = flt(flt(d.transfer_qty) * flt(d.basic_rate), d.precision("basic_amount"))
 				if not d.t_warehouse:
 					outgoing_items_cost += flt(d.basic_amount)
+
 		return outgoing_items_cost
 
 	def get_args_for_incoming_rate(self, item):
@@ -854,6 +855,7 @@
 				pro_doc.run_method("update_work_order_qty")
 				if self.purpose == "Manufacture":
 					pro_doc.run_method("update_planned_qty")
+					pro_doc.update_batch_produced_qty(self)
 
 			if not pro_doc.operations:
 				pro_doc.set_actual_dates()
@@ -1076,18 +1078,54 @@
 			# in case of BOM
 			to_warehouse = item.get("default_warehouse")
 
+		args = {
+			"to_warehouse": to_warehouse,
+			"from_warehouse": "",
+			"qty": self.fg_completed_qty,
+			"item_name": item.item_name,
+			"description": item.description,
+			"stock_uom": item.stock_uom,
+			"expense_account": item.get("expense_account"),
+			"cost_center": item.get("buying_cost_center"),
+			"is_finished_item": 1
+		}
+
+		if self.work_order and self.pro_doc.has_batch_no:
+			self.set_batchwise_finished_goods(args, item)
+		else:
+			self.add_finisged_goods(args, item)
+
+	def set_batchwise_finished_goods(self, args, item):
+		qty = flt(self.fg_completed_qty)
+		filters = {
+			"reference_name": self.pro_doc.name,
+			"reference_doctype": self.pro_doc.doctype,
+			"qty_to_produce": (">", 0)
+		}
+
+		fields = ["qty_to_produce as qty", "produced_qty", "name"]
+
+		for row in frappe.get_all("Batch", filters = filters, fields = fields, order_by="creation asc"):
+			batch_qty = flt(row.qty) - flt(row.produced_qty)
+			if not batch_qty:
+				continue
+
+			if qty <=0:
+				break
+
+			fg_qty = batch_qty
+			if batch_qty >= qty:
+				fg_qty = qty
+
+			qty -= batch_qty
+			args["qty"] = fg_qty
+			args["batch_no"] = row.name
+
+			self.add_finisged_goods(args, item)
+
+	def add_finisged_goods(self, args, item):
 		self.add_to_stock_entry_detail({
-			item.name: {
-				"to_warehouse": to_warehouse,
-				"from_warehouse": "",
-				"qty": self.fg_completed_qty,
-				"item_name": item.item_name,
-				"description": item.description,
-				"stock_uom": item.stock_uom,
-				"expense_account": item.get("expense_account"),
-				"cost_center": item.get("buying_cost_center"),
-				"is_finished_item": 1
-			}
+			item.name: args
 		}, bom_no = self.bom_no)
 
 	def get_bom_raw_materials(self, qty):
@@ -1524,6 +1562,36 @@
 				material_requests.append(material_request)
 				frappe.db.set_value('Material Request', material_request, 'transfer_status', status)
 
+	def set_serial_no_batch_for_finished_good(self):
+		args = {}
+		if self.pro_doc.serial_no:
+			self.get_serial_nos_for_fg(args)
+
+		for row in self.items:
+			if row.is_finished_item and row.item_code == self.pro_doc.production_item:
+				if args.get("serial_no"):
+					row.serial_no = '\n'.join(args["serial_no"][0: cint(row.qty)])
+
+	def get_serial_nos_for_fg(self, args):
+		fields = ["`tabStock Entry`.`name`", "`tabStock Entry Detail`.`qty`",
+			"`tabStock Entry Detail`.`serial_no`", "`tabStock Entry Detail`.`batch_no`"]
+
+		filters = [["Stock Entry","work_order","=",self.work_order], ["Stock Entry","purpose","=","Manufacture"],
+			["Stock Entry","docstatus","=",1], ["Stock Entry Detail","item_code","=",self.pro_doc.production_item]]
+
+		stock_entries = frappe.get_all("Stock Entry", fields=fields, filters=filters)
+
+		if self.pro_doc.serial_no:
+			args["serial_no"] = self.get_available_serial_nos(stock_entries)
+
+	def get_available_serial_nos(self, stock_entries):
+		used_serial_nos = []
+		for row in stock_entries:
+			if row.serial_no:
+				used_serial_nos.extend(get_serial_nos(row.serial_no))
+
+		return sorted(list(set(get_serial_nos(self.pro_doc.serial_no)) - set(used_serial_nos)))
+
 @frappe.whitelist()
 def move_sample_to_retention_warehouse(company, items):
 	if isinstance(items, string_types):
@@ -1635,6 +1703,10 @@
 		if bom.quantity:
 			operating_cost_per_unit = flt(bom.operating_cost) / flt(bom.quantity)
 
+	if work_order and work_order.produced_qty and cint(frappe.db.get_single_value('Manufacturing Settings',
+		'add_corrective_operation_cost_in_finished_good_valuation')):
+		operating_cost_per_unit += flt(work_order.corrective_operation_cost) / flt(work_order.produced_qty)
+
 	return operating_cost_per_unit
 
 def get_used_alternative_items(purchase_order=None, work_order=None):
diff --git a/erpnext/stock/doctype/stock_entry_detail/stock_entry_detail.json b/erpnext/stock/doctype/stock_entry_detail/stock_entry_detail.json
index 864ff48..a178283 100644
--- a/erpnext/stock/doctype/stock_entry_detail/stock_entry_detail.json
+++ b/erpnext/stock/doctype/stock_entry_detail/stock_entry_detail.json
@@ -18,6 +18,7 @@
   "col_break2",
   "is_finished_item",
   "is_scrap_item",
+  "quality_inspection",
   "subcontracted_item",
   "section_break_8",
   "description",
@@ -69,7 +70,6 @@
   "putaway_rule",
   "column_break_51",
   "reference_purchase_receipt",
-  "quality_inspection",
   "job_card_item"
  ],
  "fields": [
@@ -548,7 +548,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2021-02-11 13:47:50.158754",
+ "modified": "2021-04-22 20:08:23.799715",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Entry Detail",