diff --git a/erpnext/manufacturing/doctype/production_plan/production_plan.py b/erpnext/manufacturing/doctype/production_plan/production_plan.py
index fabdafc..deef020 100644
--- a/erpnext/manufacturing/doctype/production_plan/production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/production_plan.py
@@ -8,6 +8,7 @@
 import frappe
 from frappe import _, msgprint
 from frappe.model.document import Document
+from frappe.query_builder import Case
 from frappe.query_builder.functions import IfNull, Sum
 from frappe.utils import (
 	add_days,
@@ -1617,18 +1618,33 @@
 	table = frappe.qb.DocType("Production Plan")
 	child = frappe.qb.DocType("Material Request Plan Item")
 
+	completed_production_plans = get_completed_production_plans()
+
+	case = Case()
 	query = (
 		frappe.qb.from_(table)
 		.inner_join(child)
 		.on(table.name == child.parent)
-		.select(Sum(child.quantity * IfNull(child.conversion_factor, 1.0)))
+		.select(
+			Sum(
+				child.quantity
+				* IfNull(
+					case.when(child.material_request_type == "Purchase", child.conversion_factor).else_(1.0), 1.0
+				)
+			)
+		)
 		.where(
 			(table.docstatus == 1)
 			& (child.item_code == item_code)
 			& (child.warehouse == warehouse)
 			& (table.status.notin(["Completed", "Closed"]))
 		)
-	).run()
+	)
+
+	if completed_production_plans:
+		query = query.where(table.name.notin(completed_production_plans))
+
+	query = query.run()
 
 	if not query:
 		return 0.0
@@ -1636,7 +1652,9 @@
 	reserved_qty_for_production_plan = flt(query[0][0])
 
 	reserved_qty_for_production = flt(
-		get_reserved_qty_for_production(item_code, warehouse, check_production_plan=True)
+		get_reserved_qty_for_production(
+			item_code, warehouse, completed_production_plans, check_production_plan=True
+		)
 	)
 
 	if reserved_qty_for_production > reserved_qty_for_production_plan:
@@ -1645,6 +1663,25 @@
 	return reserved_qty_for_production_plan - reserved_qty_for_production
 
 
+def get_completed_production_plans():
+	table = frappe.qb.DocType("Production Plan")
+	child = frappe.qb.DocType("Production Plan Item")
+
+	query = (
+		frappe.qb.from_(table)
+		.inner_join(child)
+		.on(table.name == child.parent)
+		.select(table.name)
+		.where(
+			(table.docstatus == 1)
+			& (table.status.notin(["Completed", "Closed"]))
+			& (child.ordered_qty >= child.planned_qty)
+		)
+	).run(as_dict=True)
+
+	return list(set([d.name for d in query]))
+
+
 def get_raw_materials_of_sub_assembly_items(
 	item_details, company, bom_no, include_non_stock_items, sub_assembly_items, planned_qty=1
 ):
diff --git a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
index 5d54c41..47a89aa 100644
--- a/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
+++ b/erpnext/manufacturing/doctype/production_plan/test_production_plan.py
@@ -6,6 +6,7 @@
 
 from erpnext.controllers.item_variant import create_variant
 from erpnext.manufacturing.doctype.production_plan.production_plan import (
+	get_completed_production_plans,
 	get_items_for_material_requests,
 	get_sales_orders,
 	get_warehouse_list,
@@ -1103,6 +1104,50 @@
 
 			self.assertEqual(after_qty, before_qty)
 
+	def test_resered_qty_for_production_plan_for_less_rm_qty(self):
+		from erpnext.stock.utils import get_or_make_bin
+
+		bin_name = get_or_make_bin("Raw Material Item 1", "_Test Warehouse - _TC")
+		before_qty = flt(frappe.db.get_value("Bin", bin_name, "reserved_qty_for_production_plan"))
+
+		pln = create_production_plan(item_code="Test Production Item 1", planned_qty=10)
+
+		bin_name = get_or_make_bin("Raw Material Item 1", "_Test Warehouse - _TC")
+		after_qty = flt(frappe.db.get_value("Bin", bin_name, "reserved_qty_for_production_plan"))
+
+		self.assertEqual(after_qty - before_qty, 10)
+
+		pln.make_work_order()
+
+		plans = []
+		for row in frappe.get_all("Work Order", filters={"production_plan": pln.name}, fields=["name"]):
+			wo_doc = frappe.get_doc("Work Order", row.name)
+			wo_doc.source_warehouse = "_Test Warehouse - _TC"
+			wo_doc.wip_warehouse = "_Test Warehouse 1 - _TC"
+			wo_doc.fg_warehouse = "_Test Warehouse - _TC"
+			for d in wo_doc.required_items:
+				d.source_warehouse = "_Test Warehouse - _TC"
+				print(d.required_qty, "before")
+				d.required_qty -= 5
+				make_stock_entry(
+					item_code=d.item_code,
+					qty=d.required_qty,
+					rate=100,
+					target="_Test Warehouse - _TC",
+				)
+
+			wo_doc.submit()
+			plans.append(pln.name)
+
+		bin_name = get_or_make_bin("Raw Material Item 1", "_Test Warehouse - _TC")
+		after_qty = flt(frappe.db.get_value("Bin", bin_name, "reserved_qty_for_production_plan"))
+
+		self.assertEqual(after_qty, before_qty)
+
+		completed_plans = get_completed_production_plans()
+		for plan in plans:
+			self.assertTrue(plan in completed_plans)
+
 	def test_resered_qty_for_production_plan_for_material_requests_with_multi_UOM(self):
 		from erpnext.stock.utils import get_or_make_bin
 
diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index d8fc220..3dc33ac 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -358,10 +358,10 @@
 		else:
 			self.update_work_order_qty_in_so()
 
+		self.update_ordered_qty()
 		self.update_reserved_qty_for_production()
 		self.update_completed_qty_in_material_request()
 		self.update_planned_qty()
-		self.update_ordered_qty()
 		self.create_job_card()
 
 	def on_cancel(self):
@@ -1513,7 +1513,10 @@
 
 
 def get_reserved_qty_for_production(
-	item_code: str, warehouse: str, check_production_plan: bool = False
+	item_code: str,
+	warehouse: str,
+	completed_production_plans: list = None,
+	check_production_plan: bool = False,
 ) -> float:
 	"""Get total reserved quantity for any item in specified warehouse"""
 	wo = frappe.qb.DocType("Work Order")
@@ -1546,6 +1549,9 @@
 	if check_production_plan:
 		query = query.where(wo.production_plan.isnotnull())
 
+	if completed_production_plans:
+		query = query.where(wo.production_plan.notin(completed_production_plans))
+
 	return query.run()[0][0] or 0.0