diff --git a/erpnext/hr/doctype/leave_allocation/leave_allocation.json b/erpnext/hr/doctype/leave_allocation/leave_allocation.json
index bb851c6..568182d 100644
--- a/erpnext/hr/doctype/leave_allocation/leave_allocation.json
+++ b/erpnext/hr/doctype/leave_allocation/leave_allocation.json
@@ -1,192 +1,683 @@
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  "modified_by": "Administrator",
  "module": "HR",
  "name": "Leave Allocation",
@@ -198,10 +689,15 @@
    "create": 1,
    "delete": 1,
    "email": 1,
+   "export": 0,
+   "if_owner": 0,
+   "import": 0,
+   "permlevel": 0,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "HR User",
+   "set_user_permissions": 0,
    "share": 1,
    "submit": 1,
    "write": 1
@@ -213,19 +709,28 @@
    "delete": 1,
    "email": 1,
    "export": 1,
+   "if_owner": 0,
    "import": 1,
+   "permlevel": 0,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "HR Manager",
+   "set_user_permissions": 0,
    "share": 1,
    "submit": 1,
    "write": 1
   }
  ],
+ "quick_entry": 0,
+ "read_only": 0,
+ "read_only_onload": 0,
  "search_fields": "employee,employee_name,leave_type,total_leaves_allocated",
  "show_name_in_global_search": 1,
  "sort_field": "modified",
  "sort_order": "DESC",
- "timeline_field": "employee"
+ "timeline_field": "employee",
+ "track_changes": 0,
+ "track_seen": 0,
+ "track_views": 0
 }
\ 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 57fe983..8429ad4 100755
--- a/erpnext/hr/doctype/leave_allocation/leave_allocation.py
+++ b/erpnext/hr/doctype/leave_allocation/leave_allocation.py
@@ -47,15 +47,6 @@
 	def on_cancel(self):
 		self.create_leave_ledger_entry(submit=False)
 
-	def on_update_after_submit(self):
-		self.validate_new_leaves_allocated_value()
-		self.set_total_leaves_allocated()
-
-		frappe.db.set(self,'carry_forwarded_leaves', flt(self.carry_forwarded_leaves))
-		frappe.db.set(self,'total_leaves_allocated',flt(self.total_leaves_allocated))
-
-		self.validate_against_leave_applications()
-
 	def validate_period(self):
 		if date_diff(self.to_date, self.from_date) <= 0:
 			frappe.throw(_("To date cannot be before from date"))
@@ -108,16 +99,6 @@
 		if date_difference < self.total_leaves_allocated:
 			frappe.throw(_("Total allocated leaves are more than days in the period"), OverAllocationError)
 
-	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 create_leave_ledger_entry(self, submit=True):
 		if self.carry_forwarded_leaves:
 			expiry_days = frappe.db.get_value("Leave Type", self.leave_type, "carry_forward_leave_expiry")
@@ -134,7 +115,7 @@
 			to_date=self.to_date,
 			is_carry_forward=0
 		)
-		create_leave_ledger_entry(self, args)
+		create_leave_ledger_entry(self, args, submit)
 
 def get_leave_allocation_for_period(employee, leave_type, from_date, to_date):
 	leave_allocated = 0
@@ -161,13 +142,35 @@
 
 @frappe.whitelist()
 def get_carry_forwarded_leaves(employee, leave_type, date, carry_forward=None):
-	leave_records = frappe.get_all("Leave Ledger Entry",
-		filters={'Employee':employee,
-		'leave_type':leave_type,
-		'to_date':("<=", date)},
-		fields=['leaves'])
+	carry_forwarded_leaves = 0
 
-	return sum(record.get("leaves") for record in leave_records)
+	if carry_forward:
+		validate_carry_forward(leave_type)
+
+		carry_forwarded_leaves =  frappe.db.sql("""
+			SELECT
+				SUM(leaves)
+			FROM `tabLeave Ledger Entry`
+			WHERE
+				employee=%s
+				AND leave_type=%s
+				AND docstatus=1
+				AND	to_date < %s
+				AND name NOT IN (
+					SELECT name
+					from `tabLeave Ledger Entry`
+					WHERE
+						employee=%s
+						AND leave_type=%s
+						AND docstatus=1
+						AND	to_date < %s
+						is_expired=1
+					ORDER BY creation DESC
+				)
+			ORDER BY creation DESC
+		""", (employee, leave_type, date), as_dict=1)
+
+	return carry_forwarded_leaves
 
 def validate_carry_forward(leave_type):
 	if not frappe.db.get_value("Leave Type", leave_type, "is_carry_forward"):