diff --git a/erpnext/stock/report/incorrect_balance_qty_after_transaction/__init__.py b/erpnext/stock/report/incorrect_balance_qty_after_transaction/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/stock/report/incorrect_balance_qty_after_transaction/__init__.py
diff --git a/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.js b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.js
new file mode 100644
index 0000000..bf11277
--- /dev/null
+++ b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.js
@@ -0,0 +1,27 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Incorrect Balance Qty After Transaction"] = {
+	"filters": [
+		{
+			label: __("Company"),
+			fieldtype: "Link",
+			fieldname: "company",
+			options: "Company",
+			default: frappe.defaults.get_user_default("Company"),
+			reqd: 1
+		},
+		{
+			label: __('Item Code'),
+			fieldtype: 'Link',
+			fieldname: 'item_code',
+			options: 'Item'
+		},
+		{
+			label: __('Warehouse'),
+			fieldtype: 'Link',
+			fieldname: 'warehouse'
+		}
+	]
+};
diff --git a/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.json b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.json
new file mode 100644
index 0000000..a5815bc
--- /dev/null
+++ b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.json
@@ -0,0 +1,32 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2021-05-12 16:47:58.717853",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "modified": "2021-05-12 16:48:28.347575",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Incorrect Balance Qty After Transaction",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Stock Ledger Entry",
+ "report_name": "Incorrect Balance Qty After Transaction",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Stock User"
+  },
+  {
+   "role": "Stock Manager"
+  },
+  {
+   "role": "Purchase User"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.py b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.py
new file mode 100644
index 0000000..cf174c9
--- /dev/null
+++ b/erpnext/stock/report/incorrect_balance_qty_after_transaction/incorrect_balance_qty_after_transaction.py
@@ -0,0 +1,111 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+import frappe
+from frappe import _
+from six import iteritems
+from frappe.utils import flt
+
+def execute(filters=None):
+	columns, data = [], []
+	columns = get_columns()
+	data = get_data(filters)
+	return columns, data
+
+def get_data(filters):
+	data = get_stock_ledger_entries(filters)
+	itewise_balance_qty = {}
+
+	for row in data:
+		key = (row.item_code, row.warehouse)
+		itewise_balance_qty.setdefault(key, []).append(row)
+
+	res = validate_data(itewise_balance_qty)
+	return res
+
+def validate_data(itewise_balance_qty):
+	res = []
+	for key, data in iteritems(itewise_balance_qty):
+		row = get_incorrect_data(data)
+		if row:
+			res.append(row)
+			res.append({})
+
+	return res
+
+def get_incorrect_data(data):
+	balance_qty = 0.0
+	for row in data:
+		balance_qty += row.actual_qty
+		if row.voucher_type == "Stock Reconciliation" and not row.batch_no:
+			balance_qty = flt(row.qty_after_transaction)
+
+		row.expected_balance_qty = balance_qty
+		if abs(flt(row.expected_balance_qty) - flt(row.qty_after_transaction)) > 0.5:
+			row.differnce = abs(flt(row.expected_balance_qty) - flt(row.qty_after_transaction))
+			return row
+
+def get_stock_ledger_entries(report_filters):
+	filters = {}
+	fields = ['name', 'voucher_type', 'voucher_no', 'item_code', 'actual_qty',
+		'posting_date', 'posting_time', 'company', 'warehouse', 'qty_after_transaction', 'batch_no']
+
+	for field in ['warehouse', 'item_code', 'company']:
+		if report_filters.get(field):
+			filters[field] = report_filters.get(field)
+
+	return frappe.get_all('Stock Ledger Entry', fields = fields, filters = filters,
+		order_by = 'timestamp(posting_date, posting_time) asc, creation asc')
+
+def get_columns():
+	return [{
+		'label': _('Id'),
+		'fieldtype': 'Link',
+		'fieldname': 'name',
+		'options': 'Stock Ledger Entry',
+		'width': 120
+	}, {
+		'label': _('Posting Date'),
+		'fieldtype': 'Date',
+		'fieldname': 'posting_date',
+		'width': 110
+	}, {
+		'label': _('Voucher Type'),
+		'fieldtype': 'Link',
+		'fieldname': 'voucher_type',
+		'options': 'DocType',
+		'width': 120
+	}, {
+		'label': _('Voucher No'),
+		'fieldtype': 'Dynamic Link',
+		'fieldname': 'voucher_no',
+		'options': 'voucher_type',
+		'width': 120
+	}, {
+		'label': _('Item Code'),
+		'fieldtype': 'Link',
+		'fieldname': 'item_code',
+		'options': 'Item',
+		'width': 120
+	}, {
+		'label': _('Warehouse'),
+		'fieldtype': 'Link',
+		'fieldname': 'warehouse',
+		'options': 'Warehouse',
+		'width': 120
+	}, {
+		'label': _('Expected Balance Qty'),
+		'fieldtype': 'Float',
+		'fieldname': 'expected_balance_qty',
+		'width': 170
+	}, {
+		'label': _('Actual Balance Qty'),
+		'fieldtype': 'Float',
+		'fieldname': 'qty_after_transaction',
+		'width': 150
+	}, {
+		'label': _('Difference'),
+		'fieldtype': 'Float',
+		'fieldname': 'differnce',
+		'width': 110
+	}]
\ No newline at end of file
diff --git a/erpnext/stock/report/incorrect_serial_no_valuation/__init__.py b/erpnext/stock/report/incorrect_serial_no_valuation/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/stock/report/incorrect_serial_no_valuation/__init__.py
diff --git a/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.js b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.js
new file mode 100644
index 0000000..c62d480
--- /dev/null
+++ b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.js
@@ -0,0 +1,35 @@
+// Copyright (c) 2016, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Incorrect Serial No Valuation"] = {
+	"filters": [
+		{
+			label: __('Item Code'),
+			fieldtype: 'Link',
+			fieldname: 'item_code',
+			options: 'Item',
+			get_query: function() {
+				return {
+					filters: {
+						'has_serial_no': 1
+					}
+				}
+			}
+		},
+		{
+			label: __('From Date'),
+			fieldtype: 'Date',
+			fieldname: 'from_date',
+			reqd: 1,
+			default: frappe.defaults.get_user_default("year_start_date")
+		},
+		{
+			label: __('To Date'),
+			fieldtype: 'Date',
+			fieldname: 'to_date',
+			reqd: 1,
+			default: frappe.defaults.get_user_default("year_end_date")
+		}
+	]
+};
diff --git a/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.json b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.json
new file mode 100644
index 0000000..cc384a5
--- /dev/null
+++ b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.json
@@ -0,0 +1,36 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2021-05-13 13:07:00.767845",
+ "disable_prepared_report": 0,
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "json": "{}",
+ "modified": "2021-05-13 13:07:00.767845",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Incorrect Serial No Valuation",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Stock Ledger Entry",
+ "report_name": "Incorrect Serial No Valuation",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "Stock User"
+  },
+  {
+   "role": "Accounts Manager"
+  },
+  {
+   "role": "Accounts User"
+  },
+  {
+   "role": "Stock Manager"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.py b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.py
new file mode 100644
index 0000000..e54cf4c
--- /dev/null
+++ b/erpnext/stock/report/incorrect_serial_no_valuation/incorrect_serial_no_valuation.py
@@ -0,0 +1,148 @@
+# Copyright (c) 2013, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+import frappe
+import copy
+from frappe import _
+from six import iteritems
+from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos
+
+def execute(filters=None):
+	columns, data = [], []
+	columns = get_columns()
+	data = get_data(filters)
+	return columns, data
+
+def get_data(filters):
+	data = get_stock_ledger_entries(filters)
+	serial_nos_data = prepare_serial_nos(data)
+	data = get_incorrect_serial_nos(serial_nos_data)
+
+	return data
+
+def prepare_serial_nos(data):
+	serial_no_wise_data = {}
+	for row in data:
+		if not row.serial_nos:
+			continue
+
+		for serial_no in get_serial_nos(row.serial_nos):
+			sle = copy.deepcopy(row)
+			sle.serial_no = serial_no
+			sle.qty = 1 if sle.actual_qty > 0 else -1
+			sle.valuation_rate = sle.valuation_rate if sle.actual_qty > 0 else sle.valuation_rate * -1
+			serial_no_wise_data.setdefault(serial_no, []).append(sle)
+
+	return serial_no_wise_data
+
+def get_incorrect_serial_nos(serial_nos_data):
+	result = []
+
+	total_value = frappe._dict({'qty': 0, 'valuation_rate': 0, 'serial_no': frappe.bold(_('Balance'))})
+
+	for serial_no, data in iteritems(serial_nos_data):
+		total_dict = frappe._dict({'qty': 0, 'valuation_rate': 0, 'serial_no': frappe.bold(_('Total'))})
+
+		if check_incorrect_serial_data(data, total_dict):
+			result.extend(data)
+
+			total_value.qty += total_dict.qty
+			total_value.valuation_rate += total_dict.valuation_rate
+
+			result.append(total_dict)
+			result.append({})
+
+	result.append(total_value)
+
+	return result
+
+def check_incorrect_serial_data(data, total_dict):
+	incorrect_data = False
+	for row in data:
+		total_dict.qty += row.qty
+		total_dict.valuation_rate += row.valuation_rate
+
+		if ((total_dict.qty == 0 and abs(total_dict.valuation_rate) > 0) or total_dict.qty < 0):
+			incorrect_data = True
+
+	return incorrect_data
+
+def get_stock_ledger_entries(report_filters):
+	fields = ['name', 'voucher_type', 'voucher_no', 'item_code', 'serial_no as serial_nos', 'actual_qty',
+		'posting_date', 'posting_time', 'company', 'warehouse', '(stock_value_difference / actual_qty) as valuation_rate']
+
+	filters = {'serial_no': ("is", "set")}
+
+	if report_filters.get('item_code'):
+		filters['item_code'] = report_filters.get('item_code')
+
+	if report_filters.get('from_date') and report_filters.get('to_date'):
+		filters['posting_date'] = ('between', [report_filters.get('from_date'), report_filters.get('to_date')])
+
+	return frappe.get_all('Stock Ledger Entry', fields = fields, filters = filters,
+		order_by = 'timestamp(posting_date, posting_time) asc, creation asc')
+
+def get_columns():
+	return [{
+		'label': _('Company'),
+		'fieldtype': 'Link',
+		'fieldname': 'company',
+		'options': 'Company',
+		'width': 120
+	}, {
+		'label': _('Id'),
+		'fieldtype': 'Link',
+		'fieldname': 'name',
+		'options': 'Stock Ledger Entry',
+		'width': 120
+	}, {
+		'label': _('Posting Date'),
+		'fieldtype': 'Date',
+		'fieldname': 'posting_date',
+		'width': 90
+	}, {
+		'label': _('Posting Time'),
+		'fieldtype': 'Time',
+		'fieldname': 'posting_time',
+		'width': 90
+	}, {
+		'label': _('Voucher Type'),
+		'fieldtype': 'Link',
+		'fieldname': 'voucher_type',
+		'options': 'DocType',
+		'width': 100
+	}, {
+		'label': _('Voucher No'),
+		'fieldtype': 'Dynamic Link',
+		'fieldname': 'voucher_no',
+		'options': 'voucher_type',
+		'width': 110
+	}, {
+		'label': _('Item Code'),
+		'fieldtype': 'Link',
+		'fieldname': 'item_code',
+		'options': 'Item',
+		'width': 120
+	}, {
+		'label': _('Warehouse'),
+		'fieldtype': 'Link',
+		'fieldname': 'warehouse',
+		'options': 'Warehouse',
+		'width': 120
+	}, {
+		'label': _('Serial No'),
+		'fieldtype': 'Link',
+		'fieldname': 'serial_no',
+		'options': 'Serial No',
+		'width': 100
+	}, {
+		'label': _('Qty'),
+		'fieldtype': 'Float',
+		'fieldname': 'qty',
+		'width': 80
+	}, {
+		'label': _('Valuation Rate (In / Out)'),
+		'fieldtype': 'Currency',
+		'fieldname': 'valuation_rate',
+		'width': 110
+	}]
\ No newline at end of file
diff --git a/erpnext/stock/workspace/stock/stock.json b/erpnext/stock/workspace/stock/stock.json
index 3221dc4..529ce8e 100644
--- a/erpnext/stock/workspace/stock/stock.json
+++ b/erpnext/stock/workspace/stock/stock.json
@@ -15,6 +15,7 @@
  "hide_custom": 0,
  "icon": "stock",
  "idx": 0,
+ "is_default": 0,
  "is_standard": 1,
  "label": "Stock",
  "links": [
@@ -653,9 +654,44 @@
    "link_type": "Report",
    "onboard": 0,
    "type": "Link"
+  },
+  {
+   "hidden": 0,
+   "is_query_report": 0,
+   "label": "Incorrect Data Report",
+   "link_type": "DocType",
+   "onboard": 0,
+   "type": "Card Break"
+  },
+  {
+   "hidden": 0,
+   "is_query_report": 0,
+   "label": "Incorrect Serial No Qty and Valuation",
+   "link_to": "Incorrect Serial No Valuation",
+   "link_type": "Report",
+   "onboard": 0,
+   "type": "Link"
+  },
+  {
+   "hidden": 0,
+   "is_query_report": 0,
+   "label": "Incorrect Balance Qty After Transaction",
+   "link_to": "Incorrect Balance Qty After Transaction",
+   "link_type": "Report",
+   "onboard": 0,
+   "type": "Link"
+  },
+  {
+   "hidden": 0,
+   "is_query_report": 0,
+   "label": "Stock and Account Value Comparison",
+   "link_to": "Stock and Account Value Comparison",
+   "link_type": "Report",
+   "onboard": 0,
+   "type": "Link"
   }
  ],
- "modified": "2020-12-01 13:38:36.282890",
+ "modified": "2021-05-13 13:10:24.914983",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock",