diff --git a/erpnext/accounts/doctype/journal_entry/journal_entry.js b/erpnext/accounts/doctype/journal_entry/journal_entry.js
index a09face..409c15f 100644
--- a/erpnext/accounts/doctype/journal_entry/journal_entry.js
+++ b/erpnext/accounts/doctype/journal_entry/journal_entry.js
@@ -638,20 +638,12 @@
 		return { filters: filters };
 	},
 
-	reverse_journal_entry: function(frm) {
-		var me = frm.doc;
-		for(var i=0; i<me.accounts.length; i++) {
-			me.accounts[i].credit += me.accounts[i].debit;
-			me.accounts[i].debit = me.accounts[i].credit - me.accounts[i].debit;
-			me.accounts[i].credit -= me.accounts[i].debit;
-			me.accounts[i].credit_in_account_currency = me.accounts[i].credit;
-			me.accounts[i].debit_in_account_currency = me.accounts[i].debit;
-			me.accounts[i].reference_type = "Journal Entry";
-			me.accounts[i].reference_name = me.name
-		}
-		frm.copy_doc();
-		cur_frm.reload_doc();
-	}
+	reverse_journal_entry: function() {
+		frappe.model.open_mapped_doc({
+			method: "erpnext.accounts.doctype.journal_entry.journal_entry.make_reverse_journal_entry",
+			frm: cur_frm
+		})
+	},
 });
 
 $.extend(erpnext.journal_entry, {
diff --git a/erpnext/accounts/doctype/journal_entry/journal_entry.py b/erpnext/accounts/doctype/journal_entry/journal_entry.py
index dda1708..0a385d0 100644
--- a/erpnext/accounts/doctype/journal_entry/journal_entry.py
+++ b/erpnext/accounts/doctype/journal_entry/journal_entry.py
@@ -1021,3 +1021,34 @@
 	journal_entry.posting_date = nowdate()
 	journal_entry.inter_company_journal_entry_reference = name
 	return journal_entry.as_dict()
+
+@frappe.whitelist()
+def make_reverse_journal_entry(source_name, target_doc=None, ignore_permissions=False):
+	from frappe.model.mapper import get_mapped_doc
+
+	def update_accounts(source, target, source_parent):
+		target.reference_type = "Journal Entry"
+		target.reference_name = source_parent.name
+
+	doclist = get_mapped_doc("Journal Entry", source_name, {
+		"Journal Entry": {
+			"doctype": "Journal Entry",
+			"validation": {
+				"docstatus": ["=", 1]
+			}
+		},
+		"Journal Entry Account": {
+			"doctype": "Journal Entry Account",
+			"field_map": {
+				"account_currency": "account_currency",
+				"exchange_rate": "exchange_rate",
+				"debit_in_account_currency": "credit_in_account_currency",
+				"debit": "credit",
+				"credit_in_account_currency": "debit_in_account_currency",
+				"credit": "debit",
+			},
+			"postprocess": update_accounts,
+		},
+	}, target_doc, ignore_permissions=ignore_permissions)
+
+	return doclist
\ No newline at end of file
diff --git a/erpnext/accounts/doctype/journal_entry/test_journal_entry.py b/erpnext/accounts/doctype/journal_entry/test_journal_entry.py
index 479d4b6..53c0758 100644
--- a/erpnext/accounts/doctype/journal_entry/test_journal_entry.py
+++ b/erpnext/accounts/doctype/journal_entry/test_journal_entry.py
@@ -167,6 +167,49 @@
 
 		self.assertFalse(gle)
 
+	def test_reverse_journal_entry(self):
+		from erpnext.accounts.doctype.journal_entry.journal_entry import make_reverse_journal_entry 
+		jv = make_journal_entry("_Test Bank USD - _TC",
+			"Sales - _TC", 100, exchange_rate=50, save=False)
+
+		jv.get("accounts")[1].credit_in_account_currency = 5000
+		jv.get("accounts")[1].exchange_rate = 1
+		jv.submit()
+
+		rjv = make_reverse_journal_entry(jv.name)
+		rjv.posting_date = nowdate()
+		rjv.submit()
+
+
+		gl_entries = frappe.db.sql("""select account, account_currency, debit, credit,
+			debit_in_account_currency, credit_in_account_currency
+			from `tabGL Entry` where voucher_type='Journal Entry' and voucher_no=%s
+			order by account asc""", rjv.name, as_dict=1)
+
+		self.assertTrue(gl_entries)
+
+
+		expected_values = {
+			"_Test Bank USD - _TC": {
+				"account_currency": "USD",
+				"debit": 0,
+				"debit_in_account_currency": 0,
+				"credit": 5000,
+				"credit_in_account_currency": 100,
+			},
+			"Sales - _TC": {
+				"account_currency": "INR",
+				"debit": 5000,
+				"debit_in_account_currency": 5000,
+				"credit": 0,
+				"credit_in_account_currency": 0,
+			}
+		}
+
+		for field in ("account_currency", "debit", "debit_in_account_currency", "credit", "credit_in_account_currency"):
+			for i, gle in enumerate(gl_entries):
+				self.assertEqual(expected_values[gle.account][field], gle[field])
+
 	def test_disallow_change_in_account_currency_for_a_party(self):
 		# create jv in USD
 		jv = make_journal_entry("_Test Bank USD - _TC",
diff --git a/erpnext/accounts/doctype/tax_category/tax_category.json b/erpnext/accounts/doctype/tax_category/tax_category.json
index 1e3ae45..6f682a0 100644
--- a/erpnext/accounts/doctype/tax_category/tax_category.json
+++ b/erpnext/accounts/doctype/tax_category/tax_category.json
@@ -1,134 +1,66 @@
 {
- "allow_copy": 0,
- "allow_events_in_timeline": 0,
- "allow_guest_to_view": 0,
- "allow_import": 0,
- "allow_rename": 0,
+ "actions": [],
+ "allow_rename": 1,
  "autoname": "field:title",
- "beta": 0,
  "creation": "2018-11-22 23:38:39.668804",
- "custom": 0,
- "docstatus": 0,
  "doctype": "DocType",
- "document_type": "",
  "editable_grid": 1,
  "engine": "InnoDB",
+ "field_order": [
+  "title"
+ ],
  "fields": [
   {
-   "allow_bulk_edit": 0,
-   "allow_in_quick_entry": 0,
-   "allow_on_submit": 0,
-   "bold": 0,
-   "collapsible": 0,
-   "columns": 0,
    "fieldname": "title",
    "fieldtype": "Data",
-   "hidden": 0,
-   "ignore_user_permissions": 0,
-   "ignore_xss_filter": 0,
-   "in_filter": 0,
-   "in_global_search": 0,
-   "in_list_view": 0,
-   "in_standard_filter": 0,
    "label": "Title",
-   "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,
-   "translatable": 0,
    "unique": 1
   }
  ],
- "has_web_view": 0,
- "hide_heading": 0,
- "hide_toolbar": 0,
- "idx": 0,
- "image_view": 0,
- "in_create": 0,
- "is_submittable": 0,
- "issingle": 0,
- "istable": 0,
- "max_attachments": 0,
- "modified": "2020-01-15 17:14:28.951793", 
+ "index_web_pages_for_search": 1,
+ "links": [],
+ "modified": "2020-08-30 19:41:25.783852",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Tax Category",
- "name_case": "",
  "owner": "Administrator",
  "permissions": [
   {
-   "amend": 0,
-   "cancel": 0,
    "create": 1,
    "delete": 1,
    "email": 1,
    "export": 1,
-   "if_owner": 0,
-   "import": 0,
-   "permlevel": 0,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "System Manager",
-   "set_user_permissions": 0,
    "share": 1,
-   "submit": 0,
    "write": 1
   },
   {
-   "amend": 0,
-   "cancel": 0,
    "create": 1,
    "delete": 1,
    "email": 1,
    "export": 1,
-   "if_owner": 0,
-   "import": 0,
-   "permlevel": 0,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "Accounts Manager",
-   "set_user_permissions": 0,
    "share": 1,
-   "submit": 0,
    "write": 1
   },
   {
-   "amend": 0,
-   "cancel": 0,
-   "create": 0,
-   "delete": 0,
    "email": 1,
    "export": 1,
-   "if_owner": 0,
-   "import": 0,
-   "permlevel": 0,
    "print": 1,
    "read": 1,
    "report": 1,
    "role": "Accounts User",
-   "set_user_permissions": 0,
-   "share": 1,
-   "submit": 0,
-   "write": 0
+   "share": 1
   }
  ],
  "quick_entry": 1,
- "read_only": 0,
- "read_only_onload": 0,
- "show_name_in_global_search": 0,
  "sort_field": "modified",
  "sort_order": "DESC",
- "track_changes": 1,
- "track_seen": 0,
- "track_views": 0
-}
+ "track_changes": 1
+}
\ No newline at end of file
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index cf3deb8..01d3903 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -45,8 +45,8 @@
 			}, as_dict=1)
 
 	if accounting_periods:
-		frappe.throw(_("You can't create accounting entries in the closed accounting period {0}")
-			.format(accounting_periods[0].name), ClosedAccountingPeriod)
+		frappe.throw(_("You cannot create or cancel any accounting entries with in the closed Accounting Period {0}")
+			.format(frappe.bold(accounting_periods[0].name)), ClosedAccountingPeriod)
 
 def process_gl_map(gl_map, merge_entries=True):
 	if merge_entries:
@@ -301,8 +301,9 @@
 			})
 
 	if gl_entries:
-		set_as_cancel(gl_entries[0]['voucher_type'], gl_entries[0]['voucher_no'])
+		validate_accounting_period(gl_entries)
 		check_freezing_date(gl_entries[0]["posting_date"], adv_adj)
+		set_as_cancel(gl_entries[0]['voucher_type'], gl_entries[0]['voucher_no'])
 
 		for entry in gl_entries:
 			entry['name'] = None
@@ -342,7 +343,7 @@
 	"""
 		Set is_cancelled=1 in all original gl entries for the voucher
 	"""
-	frappe.db.sql("""update `tabGL Entry` set is_cancelled = 1,
+	frappe.db.sql("""UPDATE `tabGL Entry` SET is_cancelled = 1,
 		modified=%s, modified_by=%s
 		where voucher_type=%s and voucher_no=%s and is_cancelled = 0""",
 		(now(), frappe.session.user, voucher_type, voucher_no))
diff --git a/erpnext/accounts/report/customer_ledger_summary/customer_ledger_summary.py b/erpnext/accounts/report/customer_ledger_summary/customer_ledger_summary.py
index 2cb10b1..10b32fe 100644
--- a/erpnext/accounts/report/customer_ledger_summary/customer_ledger_summary.py
+++ b/erpnext/accounts/report/customer_ledger_summary/customer_ledger_summary.py
@@ -173,7 +173,7 @@
 			from `tabGL Entry` gle
 			{join}
 			where
-				gle.docstatus < 2 and gle.party_type=%(party_type)s and ifnull(gle.party, '') != ''
+				gle.docstatus < 2 and gle.is_cancelled = 0 and gle.party_type=%(party_type)s and ifnull(gle.party, '') != ''
 				and gle.posting_date <= %(to_date)s {conditions}
 			order by gle.posting_date
 		""".format(join=join, join_field=join_field, conditions=conditions), self.filters, as_dict=True)
@@ -248,7 +248,7 @@
 			from
 				`tabGL Entry`
 			where
-				docstatus < 2
+				docstatus < 2 and is_cancelled = 0
 				and (voucher_type, voucher_no) in (
 					select voucher_type, voucher_no from `tabGL Entry` gle, `tabAccount` acc
 					where acc.name = gle.account and acc.account_type = '{income_or_expense}'
diff --git a/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.js b/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.js
index a76ffee..518d665 100644
--- a/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.js
+++ b/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.js
@@ -12,7 +12,22 @@
 			"reqd": 1
 		},
 		{
-			reqd: 1,
+			"fieldname":"from_date",
+			"label": __("From Date"),
+			"fieldtype": "Date",
+			"width": "80",
+			"reqd": 1,
+			"default": frappe.datetime.add_months(frappe.datetime.get_today(), -1),
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To Date"),
+			"fieldtype": "Date",
+			"width": "80",
+			"reqd": 1,
+			"default": frappe.datetime.get_today()
+		},
+		{
 			default: "",
 			options: "Item",
 			label: __("Item"),
@@ -45,13 +60,12 @@
 			}
 		},
 		{
-			fieldtype: "Link",
+			fieldtype: "MultiSelectList",
 			label: __("Supplier Quotation"),
-			options: "Supplier Quotation",
 			fieldname: "supplier_quotation",
 			default: "",
-			get_query: () => {
-				return { filters: { "docstatus": ["<", 2] } }
+			get_data: function(txt) {
+				return frappe.db.get_link_options('Supplier Quotation', txt, {'docstatus': ["<", 2]});
 			}
 		},
 		{
@@ -63,9 +77,30 @@
 			get_query: () => {
 				return { filters: { "docstatus": ["<", 2] } }
 			}
+		},
+		{
+			fieldtype: "Check",
+			label: __("Include Expired"),
+			fieldname: "include_expired",
+			default: 0
 		}
 	],
 
+	formatter: (value, row, column, data, default_formatter) => {
+		value = default_formatter(value, row, column, data);
+
+		if(column.fieldname === "valid_till" && data.valid_till){
+			if(frappe.datetime.get_diff(data.valid_till, frappe.datetime.nowdate()) <= 1){
+				value = `<div style="color:red">${value}</div>`;
+			}
+			else if (frappe.datetime.get_diff(data.valid_till, frappe.datetime.nowdate()) <= 7){
+				value = `<div style="color:darkorange">${value}</div>`;
+			}
+		}
+
+		return value;
+	},
+
 	onload: (report) => {
 		// Create a button for setting the default supplier
 		report.page.add_inner_button(__("Select Default Supplier"), () => {
diff --git a/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.py b/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.py
index a33867a..4426560 100644
--- a/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.py
+++ b/erpnext/buying/report/quoted_item_comparison/quoted_item_comparison.py
@@ -16,44 +16,49 @@
 	supplier_quotation_data = get_data(filters, conditions)
 	columns = get_columns()
 
-	data, chart_data = prepare_data(supplier_quotation_data)
+	data, chart_data = prepare_data(supplier_quotation_data, filters)
+	message = get_message()
 
-	return columns, data, None, chart_data
+	return columns, data, message, chart_data
 
 def get_conditions(filters):
 	conditions = ""
+	if filters.get("item_code"):
+		conditions += " AND sqi.item_code = %(item_code)s"
+
 	if filters.get("supplier_quotation"):
-		conditions += " AND sqi.parent = %(supplier_quotation)s"
+		conditions += " AND sqi.parent in %(supplier_quotation)s"
 
 	if filters.get("request_for_quotation"):
 		conditions += " AND sqi.request_for_quotation = %(request_for_quotation)s"
 
 	if filters.get("supplier"):
 		conditions += " AND sq.supplier in %(supplier)s"
+
+	if not filters.get("include_expired"):
+		conditions += " AND sq.status != 'Expired'"
+
 	return conditions
 
 def get_data(filters, conditions):
-	if not filters.get("item_code"):
-		return []
-
 	supplier_quotation_data = frappe.db.sql("""SELECT
-		sqi.parent, sqi.qty, sqi.rate, sqi.uom, sqi.request_for_quotation,
-		sq.supplier
+		sqi.parent, sqi.item_code, sqi.qty, sqi.rate, sqi.uom, sqi.request_for_quotation,
+		sqi.lead_time_days, sq.supplier, sq.valid_till
 		FROM
 			`tabSupplier Quotation Item` sqi,
 			`tabSupplier Quotation` sq
 		WHERE
-			sqi.item_code = %(item_code)s
-			AND sqi.parent = sq.name
+			sqi.parent = sq.name
 			AND sqi.docstatus < 2
 			AND sq.company = %(company)s
-			AND sq.status != 'Expired'
-			{0}""".format(conditions), filters, as_dict=1)
+			AND sq.transaction_date between %(from_date)s and %(to_date)s
+			{0}
+			order by sq.transaction_date, sqi.item_code""".format(conditions), filters, as_dict=1)
 
 	return supplier_quotation_data
 
-def prepare_data(supplier_quotation_data):
-	out, suppliers, qty_list = [], [], []
+def prepare_data(supplier_quotation_data, filters):
+	out, suppliers, qty_list, chart_data = [], [], [], []
 	supplier_wise_map = defaultdict(list)
 	supplier_qty_price_map = {}
 
@@ -70,20 +75,24 @@
 			exchange_rate = 1
 
 		row = {
+			"item_code": data.get('item_code'),
 			"quotation": data.get("parent"),
 			"qty": data.get("qty"),
 			"price": flt(data.get("rate") * exchange_rate, float_precision),
 			"uom": data.get("uom"),
 			"request_for_quotation": data.get("request_for_quotation"),
+			"valid_till": data.get('valid_till'),
+			"lead_time_days": data.get('lead_time_days')
 		}
 
 		# map for report view of form {'supplier1':[{},{},...]}
 		supplier_wise_map[supplier].append(row)
 
 		# map for chart preparation of the form {'supplier1': {'qty': 'price'}}
-		if not supplier in supplier_qty_price_map:
-			supplier_qty_price_map[supplier] = {}
-		supplier_qty_price_map[supplier][row["qty"]] = row["price"]
+		if filters.get("item_code"):
+			if not supplier in supplier_qty_price_map:
+				supplier_qty_price_map[supplier] = {}
+			supplier_qty_price_map[supplier][row["qty"]] = row["price"]
 
 		suppliers.append(supplier)
 		qty_list.append(data.get("qty"))
@@ -97,7 +106,8 @@
 		for entry in supplier_wise_map[supplier]:
 			out.append(entry)
 
-	chart_data = prepare_chart_data(suppliers, qty_list, supplier_qty_price_map)
+	if filters.get("item_code"):
+		chart_data = prepare_chart_data(suppliers, qty_list, supplier_qty_price_map)
 
 	return out, chart_data
 
@@ -117,9 +127,10 @@
 				data_points_map[qty].append(None)
 
 	dataset = []
+	currency_symbol = frappe.db.get_value("Currency", frappe.db.get_default("currency"), "symbol")
 	for qty in qty_list:
 		datapoints = {
-			"name": _("Price for Qty ") + str(qty),
+			"name": currency_symbol + " (Qty " + str(qty) + " )",
 			"values": data_points_map[qty]
 		}
 		dataset.append(datapoints)
@@ -140,14 +151,21 @@
 		"label": _("Supplier"),
 		"fieldtype": "Link",
 		"options": "Supplier",
+		"width": 150
+	},
+	{
+		"fieldname": "item_code",
+		"label": _("Item"),
+		"fieldtype": "Link",
+		"options": "Item",
 		"width": 200
 	},
 	{
-		"fieldname": "quotation",
-		"label": _("Supplier Quotation"),
+		"fieldname": "uom",
+		"label": _("UOM"),
 		"fieldtype": "Link",
-		"options": "Supplier Quotation",
-		"width": 200
+		"options": "UOM",
+		"width": 90
 	},
 	{
 		"fieldname": "qty",
@@ -163,19 +181,43 @@
 		"width": 110
 	},
 	{
-		"fieldname": "uom",
-		"label": _("UOM"),
+		"fieldname": "quotation",
+		"label": _("Supplier Quotation"),
 		"fieldtype": "Link",
-		"options": "UOM",
-		"width": 90
+		"options": "Supplier Quotation",
+		"width": 200
+	},
+	{
+		"fieldname": "valid_till",
+		"label": _("Valid Till"),
+		"fieldtype": "Date",
+		"width": 100
+	},
+	{
+		"fieldname": "lead_time_days",
+		"label": _("Lead Time (Days)"),
+		"fieldtype": "Int",
+		"width": 100
 	},
 	{
 		"fieldname": "request_for_quotation",
 		"label": _("Request for Quotation"),
 		"fieldtype": "Link",
 		"options": "Request for Quotation",
-		"width": 200
+		"width": 150
 	}
 	]
 
-	return columns
\ No newline at end of file
+	return columns
+
+def get_message():
+	return  """<span class="indicator">
+		Valid till : &nbsp;&nbsp;
+		</span>
+		<span class="indicator orange">
+		Expires in a week or less
+		</span>
+		&nbsp;&nbsp;
+		<span class="indicator red">
+		Expires today / Already Expired
+		</span>"""
\ No newline at end of file
diff --git a/erpnext/communication/doctype/call_log/call_log.json b/erpnext/communication/doctype/call_log/call_log.json
index cfc08eb..31e79f1 100644
--- a/erpnext/communication/doctype/call_log/call_log.json
+++ b/erpnext/communication/doctype/call_log/call_log.json
@@ -1,4 +1,5 @@
 {
+ "actions": [],
  "autoname": "field:id",
  "creation": "2019-06-05 12:07:02.634534",
  "doctype": "DocType",
@@ -14,6 +15,7 @@
   "contact",
   "contact_name",
   "column_break_10",
+  "customer",
   "lead",
   "lead_name",
   "section_break_5",
@@ -28,7 +30,8 @@
   },
   {
    "fieldname": "section_break_5",
-   "fieldtype": "Section Break"
+   "fieldtype": "Section Break",
+   "label": "Call Details"
   },
   {
    "fieldname": "id",
@@ -125,10 +128,19 @@
    "in_list_view": 1,
    "label": "Lead Name",
    "read_only": 1
+  },
+  {
+   "fieldname": "customer",
+   "fieldtype": "Link",
+   "label": "Customer",
+   "options": "Customer",
+   "read_only": 1
   }
  ],
  "in_create": 1,
- "modified": "2019-08-06 05:46:53.144683",
+ "index_web_pages_for_search": 1,
+ "links": [],
+ "modified": "2020-08-25 17:08:34.085731",
  "modified_by": "Administrator",
  "module": "Communication",
  "name": "Call Log",
diff --git a/erpnext/communication/doctype/call_log/call_log.py b/erpnext/communication/doctype/call_log/call_log.py
index 5fe3c4e..b31b757 100644
--- a/erpnext/communication/doctype/call_log/call_log.py
+++ b/erpnext/communication/doctype/call_log/call_log.py
@@ -16,6 +16,9 @@
 		self.contact = get_contact_with_phone_number(number)
 		self.lead = get_lead_with_phone_number(number)
 
+		contact = frappe.get_doc("Contact", self.contact)
+		self.customer = contact.get_link_for("Customer")
+
 	def after_insert(self):
 		self.trigger_call_popup()
 
diff --git a/erpnext/controllers/buying_controller.py b/erpnext/controllers/buying_controller.py
index f982700..ac567b7 100644
--- a/erpnext/controllers/buying_controller.py
+++ b/erpnext/controllers/buying_controller.py
@@ -276,6 +276,9 @@
 		qty_to_be_received_map = get_qty_to_be_received(purchase_orders)
 
 		for item in self.get('items'):
+			if not item.purchase_order:
+				continue
+
 			# reset raw_material cost
 			item.rm_supp_cost = 0
 
@@ -288,6 +291,12 @@
 
 			fg_yet_to_be_received = qty_to_be_received_map.get(item_key)
 
+			if not fg_yet_to_be_received:
+				frappe.throw(_("Row #{0}: Item {1} is already fully received in Purchase Order {2}")
+					.format(item.idx, frappe.bold(item.item_code),
+						frappe.utils.get_link_to_form("Purchase Order", item.purchase_order)),
+					title=_("Limit Crossed"))
+
 			transferred_batch_qty_map = get_transferred_batch_qty_map(item.purchase_order, item.item_code)
 			backflushed_batch_qty_map = get_backflushed_batch_qty_map(item.purchase_order, item.item_code)
 
diff --git a/erpnext/erpnext_integrations/desk_page/erpnext_integrations/erpnext_integrations.json b/erpnext/erpnext_integrations/desk_page/erpnext_integrations/erpnext_integrations.json
new file mode 100644
index 0000000..8dcc77d
--- /dev/null
+++ b/erpnext/erpnext_integrations/desk_page/erpnext_integrations/erpnext_integrations.json
@@ -0,0 +1,40 @@
+{
+ "cards": [
+  {
+   "hidden": 0,
+   "label": "Marketplace",
+   "links": "[\n    {\n        \"description\": \"Woocommerce marketplace settings\",\n        \"label\": \"Woocommerce Settings\",\n        \"name\": \"Woocommerce Settings\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"description\": \"Amazon MWS settings\",\n        \"label\": \"Amazon MWS Settings\",\n        \"name\": \"Amazon MWS Settings\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"description\": \"Shopify settings\",\n        \"label\": \"Shopify Settings\",\n        \"name\": \"Shopify Settings\",\n        \"type\": \"doctype\"\n    }\n]"
+  },
+  {
+   "hidden": 0,
+   "label": "Payments",
+   "links": "[\n    {\n        \"description\": \"GoCardless payment gateway settings\",\n        \"label\": \"GoCardless Settings\",\n        \"name\": \"GoCardless Settings\",\n        \"type\": \"doctype\"\n    }\n]"
+  },
+  {
+   "hidden": 0,
+   "label": "Settings",
+   "links": "[\n    {\n        \"description\": \"Plaid settings\",\n        \"label\": \"Plaid Settings\",\n        \"name\": \"Plaid Settings\",\n        \"type\": \"doctype\"\n    },\n    {\n        \"description\": \"Exotel settings\",\n        \"label\": \"Exotel Settings\",\n        \"name\": \"Exotel Settings\",\n        \"type\": \"doctype\"\n    }\n]"
+  }
+ ],
+ "category": "Modules",
+ "charts": [],
+ "creation": "2020-08-20 19:30:48.138801",
+ "developer_mode_only": 0,
+ "disable_user_customization": 0,
+ "docstatus": 0,
+ "doctype": "Desk Page",
+ "extends": "Integrations",
+ "extends_another_page": 1,
+ "hide_custom": 1,
+ "idx": 0,
+ "is_standard": 1,
+ "label": "ERPNext Integrations",
+ "modified": "2020-08-23 16:30:51.494655",
+ "modified_by": "Administrator",
+ "module": "ERPNext Integrations",
+ "name": "ERPNext Integrations",
+ "owner": "Administrator",
+ "pin_to_bottom": 0,
+ "pin_to_top": 0,
+ "shortcuts": []
+}
\ No newline at end of file
diff --git a/erpnext/loan_management/doctype/loan/test_loan.py b/erpnext/loan_management/doctype/loan/test_loan.py
index 23815d598..2f6cd25 100644
--- a/erpnext/loan_management/doctype/loan/test_loan.py
+++ b/erpnext/loan_management/doctype/loan/test_loan.py
@@ -17,6 +17,8 @@
 from erpnext.loan_management.doctype.loan.loan import create_loan_security_unpledge
 from erpnext.loan_management.doctype.loan_security_unpledge.loan_security_unpledge import get_pledged_security_qty
 from erpnext.loan_management.doctype.loan_application.loan_application import create_pledge
+from erpnext.loan_management.doctype.loan_disbursement.loan_disbursement import get_disbursal_amount
+from erpnext.loan_management.doctype.loan_repayment.loan_repayment import calculate_amounts
 
 class TestLoan(unittest.TestCase):
 	def setUp(self):
@@ -193,18 +195,14 @@
 		make_loan_disbursement_entry(loan.name, loan.loan_amount, disbursement_date=first_date)
 		process_loan_interest_accrual_for_demand_loans(posting_date = last_date)
 
-		repayment_entry = create_repayment_entry(loan.name, self.applicant2, add_days(last_date, 5),
+		repayment_entry = create_repayment_entry(loan.name, self.applicant2, add_days(last_date, 6),
 			"Loan Closure", flt(loan.loan_amount + accrued_interest_amount))
 		repayment_entry.submit()
 
 		amounts = frappe.db.get_value('Loan Interest Accrual', {'loan': loan.name}, ['paid_interest_amount',
 			'paid_principal_amount'])
 
-		unaccrued_interest_amount =  (loan.loan_amount * loan.rate_of_interest * 6) \
-			/ (days_in_year(get_datetime(first_date).year) * 100)
-
-		self.assertEquals(flt(amounts[0] + unaccrued_interest_amount, 3),
-			flt(accrued_interest_amount, 3))
+		self.assertEquals(flt(amounts[0], 2),flt(accrued_interest_amount, 2))
 		self.assertEquals(flt(repayment_entry.penalty_amount, 5), 0)
 
 		loan.load_from_db()
@@ -306,9 +304,6 @@
 			"Loan Closure", flt(loan.loan_amount + accrued_interest_amount))
 		repayment_entry.submit()
 
-		amounts = frappe.db.get_value('Loan Interest Accrual', {'loan': loan.name}, ['paid_interest_amount',
-			'paid_principal_amount'])
-
 		loan.load_from_db()
 		self.assertEquals(loan.status, "Loan Closure Requested")
 
@@ -323,6 +318,97 @@
 		self.assertEqual(loan.status, 'Closed')
 		self.assertEquals(sum(pledged_qty.values()), 0)
 
+	def test_disbursal_check_with_shortfall(self):
+		pledges = [{
+			"loan_security": "Test Security 2",
+			"qty": 8000.00,
+			"haircut": 50,
+		}]
+
+		loan_application = create_loan_application('_Test Company', self.applicant2,
+			'Stock Loan', pledges, "Repay Over Number of Periods", 12)
+
+		create_pledge(loan_application)
+
+		loan = create_loan_with_security(self.applicant2, "Stock Loan", "Repay Over Number of Periods", 12, loan_application)
+		loan.submit()
+
+		#Disbursing 7,00,000 from the allowed 10,00,000 according to security pledge
+		make_loan_disbursement_entry(loan.name, 700000)
+
+		frappe.db.sql("""UPDATE `tabLoan Security Price` SET loan_security_price = 100
+			where loan_security='Test Security 2'""")
+
+		create_process_loan_security_shortfall()
+		loan_security_shortfall = frappe.get_doc("Loan Security Shortfall", {"loan": loan.name})
+		self.assertTrue(loan_security_shortfall)
+
+		self.assertEqual(get_disbursal_amount(loan.name), 0)
+
+		frappe.db.sql(""" UPDATE `tabLoan Security Price` SET loan_security_price = 250
+			where loan_security='Test Security 2'""")
+
+	def test_disbursal_check_without_shortfall(self):
+		pledges = [{
+			"loan_security": "Test Security 2",
+			"qty": 8000.00,
+			"haircut": 50,
+		}]
+
+		loan_application = create_loan_application('_Test Company', self.applicant2,
+			'Stock Loan', pledges, "Repay Over Number of Periods", 12)
+
+		create_pledge(loan_application)
+
+		loan = create_loan_with_security(self.applicant2, "Stock Loan", "Repay Over Number of Periods", 12, loan_application)
+		loan.submit()
+
+		#Disbursing 7,00,000 from the allowed 10,00,000 according to security pledge
+		make_loan_disbursement_entry(loan.name, 700000)
+
+		self.assertEqual(get_disbursal_amount(loan.name), 300000)
+
+	def test_pending_loan_amount_after_closure_request(self):
+		pledge = [{
+			"loan_security": "Test Security 1",
+			"qty": 4000.00
+		}]
+
+		loan_application = create_loan_application('_Test Company', self.applicant2, 'Demand Loan', pledge)
+		create_pledge(loan_application)
+
+		loan = create_demand_loan(self.applicant2, "Demand Loan", loan_application, posting_date=get_first_day(nowdate()))
+		loan.submit()
+
+		self.assertEquals(loan.loan_amount, 1000000)
+
+		first_date = '2019-10-01'
+		last_date = '2019-10-30'
+
+		no_of_days = date_diff(last_date, first_date) + 1
+
+		no_of_days += 6
+
+		accrued_interest_amount = (loan.loan_amount * loan.rate_of_interest * no_of_days) \
+			/ (days_in_year(get_datetime(first_date).year) * 100)
+
+		make_loan_disbursement_entry(loan.name, loan.loan_amount, disbursement_date=first_date)
+		process_loan_interest_accrual_for_demand_loans(posting_date = last_date)
+
+		amounts = calculate_amounts(loan.name, add_days(last_date, 6), "Regular Repayment")
+
+		repayment_entry = create_repayment_entry(loan.name, self.applicant2, add_days(last_date, 6),
+			"Loan Closure", flt(loan.loan_amount + accrued_interest_amount))
+		repayment_entry.submit()
+
+		amounts = frappe.db.get_value('Loan Interest Accrual', {'loan': loan.name}, ['paid_interest_amount',
+			'paid_principal_amount'])
+
+		loan.load_from_db()
+		self.assertEquals(loan.status, "Loan Closure Requested")
+
+		amounts = calculate_amounts(loan.name, add_days(last_date, 6), "Regular Repayment")
+		self.assertEquals(amounts['pending_principal_amount'], 0.0)
 
 def create_loan_accounts():
 	if not frappe.db.exists("Account", "Loans and Advances (Assets) - _TC"):
diff --git a/erpnext/loan_management/doctype/loan_application/loan_application.js b/erpnext/loan_management/doctype/loan_application/loan_application.js
index b56fce1..1365274 100644
--- a/erpnext/loan_management/doctype/loan_application/loan_application.js
+++ b/erpnext/loan_management/doctype/loan_application/loan_application.js
@@ -33,18 +33,18 @@
 
 			if (frm.doc.is_secured_loan) {
 				frappe.db.get_value("Loan Security Pledge", {"loan_application": frm.doc.name, "docstatus": 1}, "name", (r) => {
-					if (!r) {
+					if (Object.keys(r).length === 0) {
 						frm.add_custom_button(__('Loan Security Pledge'), function() {
-							frm.trigger('create_loan_security_pledge')
+							frm.trigger('create_loan_security_pledge');
 						},__('Create'))
 					}
 				});
 			}
 
 			frappe.db.get_value("Loan", {"loan_application": frm.doc.name, "docstatus": 1}, "name", (r) => {
-				if (!r) {
+				if (Object.keys(r).length === 0) {
 					frm.add_custom_button(__('Loan'), function() {
-						frm.trigger('create_loan')
+						frm.trigger('create_loan');
 					},__('Create'))
 				} else {
 					frm.set_df_property('status', 'read_only', 1);
@@ -54,7 +54,7 @@
 	},
 	create_loan: function(frm) {
 		if (frm.doc.status != "Approved") {
-			frappe.throw(__("Cannot create loan until application is approved"))
+			frappe.throw(__("Cannot create loan until application is approved"));
 		}
 
 		frappe.model.open_mapped_doc({
diff --git a/erpnext/loan_management/doctype/loan_disbursement/loan_disbursement.py b/erpnext/loan_management/doctype/loan_disbursement/loan_disbursement.py
index 6c27e12..260fada 100644
--- a/erpnext/loan_management/doctype/loan_disbursement/loan_disbursement.py
+++ b/erpnext/loan_management/doctype/loan_disbursement/loan_disbursement.py
@@ -67,28 +67,10 @@
 			disbursed_amount = self.disbursed_amount + loan_details.disbursed_amount
 			total_payment = loan_details.total_payment
 
-			if disbursed_amount > loan_details.loan_amount and loan_details.is_term_loan:
-				frappe.throw(_("Disbursed Amount cannot be greater than loan amount"))
+			possible_disbursal_amount = get_disbursal_amount(self.against_loan)
 
-			if loan_details.status == 'Disbursed':
-				pending_principal_amount = flt(loan_details.total_payment) - flt(loan_details.total_interest_payable) \
-					- flt(loan_details.total_principal_paid)
-			else:
-				pending_principal_amount = loan_details.disbursed_amount
-
-			security_value = 0.0
-			if loan_details.is_secured_loan:
-				security_value = get_total_pledged_security_value(self.against_loan)
-
-			if not security_value:
-				security_value = loan_details.loan_amount
-
-			if pending_principal_amount + self.disbursed_amount > flt(security_value):
-				allowed_amount = security_value - pending_principal_amount
-				if allowed_amount < 0:
-					allowed_amount = 0
-
-				frappe.throw(_("Disbursed Amount cannot be greater than {0}").format(allowed_amount))
+			if self.disbursed_amount > possible_disbursal_amount:
+				frappe.throw(_("Disbursed Amount cannot be greater than {0}").format(possible_disbursal_amount))
 
 			if loan_details.status == "Disbursed" and not loan_details.is_term_loan:
 				process_loan_interest_accrual_for_demand_loans(posting_date=add_days(self.disbursement_date, -1),
@@ -176,3 +158,32 @@
 		security_value += (loan_security_price_map.get(security) * qty * hair_cut_map.get(security))/100
 
 	return security_value
+
+@frappe.whitelist()
+def get_disbursal_amount(loan):
+	loan_details = frappe.get_all("Loan", fields = ["loan_amount", "disbursed_amount", "total_payment",
+		"total_principal_paid", "total_interest_payable", "status", "is_term_loan", "is_secured_loan"],
+		filters= { "name": loan })[0]
+
+	if loan_details.is_secured_loan and frappe.get_all('Loan Security Shortfall', filters={'loan': loan,
+		'status': 'Pending'}):
+		return 0
+
+	if loan_details.status == 'Disbursed':
+		pending_principal_amount = flt(loan_details.total_payment) - flt(loan_details.total_interest_payable) \
+			- flt(loan_details.total_principal_paid)
+	else:
+		pending_principal_amount = flt(loan_details.disbursed_amount)
+
+	security_value = 0.0
+	if loan_details.is_secured_loan:
+		security_value = get_total_pledged_security_value(loan)
+
+	if not security_value and not loan_details.is_secured_loan:
+		security_value = flt(loan_details.loan_amount)
+
+	disbursal_amount = flt(security_value) - flt(pending_principal_amount)
+
+	return disbursal_amount
+
+
diff --git a/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py b/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
index c5111fd..1d3fa71 100644
--- a/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
+++ b/erpnext/loan_management/doctype/loan_interest_accrual/loan_interest_accrual.py
@@ -85,8 +85,11 @@
 	if no_of_days <= 0:
 		return
 
-	pending_principal_amount = flt(loan.total_payment) - flt(loan.total_interest_payable) \
-		- flt(loan.total_principal_paid)
+	if loan.status == 'Disbursed':
+		pending_principal_amount = flt(loan.total_payment) - flt(loan.total_interest_payable) \
+			- flt(loan.total_principal_paid)
+	else:
+		pending_principal_amount = loan.disbursed_amount
 
 	interest_per_day = (pending_principal_amount * loan.rate_of_interest) / (days_in_year(get_datetime(posting_date).year) * 100)
 	payable_interest = interest_per_day * no_of_days
@@ -107,7 +110,7 @@
 
 def make_accrual_interest_entry_for_demand_loans(posting_date, process_loan_interest, open_loans=None, loan_type=None):
 	query_filters = {
-		"status": "Disbursed",
+		"status": ('in', ['Disbursed', 'Partially Disbursed']),
 		"docstatus": 1
 	}
 
@@ -118,8 +121,9 @@
 
 	if not open_loans:
 		open_loans = frappe.get_all("Loan",
-			fields=["name", "total_payment", "total_amount_paid", "loan_account", "interest_income_account", "is_term_loan",
-				"disbursement_date", "applicant_type", "applicant", "rate_of_interest", "total_interest_payable", "repayment_start_date"],
+			fields=["name", "total_payment", "total_amount_paid", "loan_account", "interest_income_account",
+				"is_term_loan", "status", "disbursement_date", "disbursed_amount", "applicant_type", "applicant",
+				"rate_of_interest", "total_interest_payable", "total_principal_paid", "repayment_start_date"],
 			filters=query_filters)
 
 	for loan in open_loans:
diff --git a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
index 9605045..7d83e32 100644
--- a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
+++ b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
@@ -116,6 +116,7 @@
 	def allocate_amounts(self, paid_entries):
 		self.set('repayment_details', [])
 		self.principal_amount_paid = 0
+		total_interest_paid = 0
 		interest_paid = self.amount_paid - self.penalty_amount
 
 		if self.amount_paid - self.penalty_amount > 0 and paid_entries:
@@ -137,12 +138,19 @@
 						interest_paid = 0
 						paid_principal=0
 
+				total_interest_paid += interest_amount
 				self.append('repayment_details', {
 					'loan_interest_accrual': lia,
 					'paid_interest_amount': interest_amount,
 					'paid_principal_amount': paid_principal
 				})
 
+		if self.payment_type == 'Loan Closure' and total_interest_paid < self.interest_payable:
+			unaccrued_interest = self.interest_payable - total_interest_paid
+			interest_paid -= unaccrued_interest
+			if self.repayment_details:
+				self.repayment_details[-1].paid_interest_amount += unaccrued_interest
+
 		if interest_paid:
 			self.principal_amount_paid += interest_paid
 
@@ -281,7 +289,7 @@
 
 		due_date = add_days(entry.posting_date, 1)
 		no_of_late_days = date_diff(posting_date,
-					add_days(due_date, loan_type_details.grace_period_in_days))
+			add_days(due_date, loan_type_details.grace_period_in_days))
 
 		if no_of_late_days > 0 and (not against_loan_doc.repay_from_salary):
 			penalty_amount += (entry.interest_amount * (loan_type_details.penalty_interest_rate / 100) * no_of_late_days)/365
@@ -297,7 +305,10 @@
 		if not final_due_date:
 			final_due_date = add_days(due_date, loan_type_details.grace_period_in_days)
 
-	pending_principal_amount = against_loan_doc.total_payment - against_loan_doc.total_principal_paid - against_loan_doc.total_interest_payable
+	if against_loan_doc.status in ('Disbursed', 'Loan Closure Requested'):
+		pending_principal_amount = against_loan_doc.total_payment - against_loan_doc.total_principal_paid - against_loan_doc.total_interest_payable
+	else:
+		pending_principal_amount = against_loan_doc.disbursed_amount
 
 	if payment_type == "Loan Closure":
 		if due_date:
diff --git a/erpnext/loan_management/doctype/loan_security_shortfall/loan_security_shortfall.py b/erpnext/loan_management/doctype/loan_security_shortfall/loan_security_shortfall.py
index 02efe24..0f42bde 100644
--- a/erpnext/loan_management/doctype/loan_security_shortfall/loan_security_shortfall.py
+++ b/erpnext/loan_management/doctype/loan_security_shortfall/loan_security_shortfall.py
@@ -4,7 +4,7 @@
 
 from __future__ import unicode_literals
 import frappe
-from frappe.utils import get_datetime
+from frappe.utils import get_datetime, flt
 from frappe.model.document import Document
 from six import iteritems
 from erpnext.loan_management.doctype.loan_security_unpledge.loan_security_unpledge import get_pledged_security_qty
@@ -51,13 +51,19 @@
 			"valid_upto": (">=", update_time)
 		}, as_list=1))
 
-	loans = frappe.get_all('Loan', fields=['name', 'loan_amount', 'total_principal_paid'],
-		filters={'status': 'Disbursed', 'is_secured_loan': 1})
+	loans = frappe.get_all('Loan', fields=['name', 'loan_amount', 'total_principal_paid', 'total_payment',
+		'total_interest_payable', 'disbursed_amount', 'status'],
+		filters={'status': ('in',['Disbursed','Partially Disbursed']), 'is_secured_loan': 1})
 
 	loan_security_map = {}
 
 	for loan in loans:
-		outstanding_amount = loan.loan_amount - loan.total_principal_paid
+		if loan.status == 'Disbursed':
+			outstanding_amount = flt(loan.total_payment) - flt(loan.total_interest_payable) \
+				- flt(loan.total_principal_paid)
+		else:
+			outstanding_amount = loan.disbursed_amount
+
 		pledged_securities = get_pledged_security_qty(loan.name)
 		ltv_ratio = ''
 		security_value = 0.0
diff --git a/erpnext/loan_management/doctype/loan_security_unpledge/loan_security_unpledge.py b/erpnext/loan_management/doctype/loan_security_unpledge/loan_security_unpledge.py
index 5e9d82a..f6b28da 100644
--- a/erpnext/loan_management/doctype/loan_security_unpledge/loan_security_unpledge.py
+++ b/erpnext/loan_management/doctype/loan_security_unpledge/loan_security_unpledge.py
@@ -43,8 +43,10 @@
 				"valid_upto": (">=", get_datetime())
 			}, as_list=1))
 
-		loan_amount, principal_paid = frappe.get_value("Loan", self.loan, ['loan_amount', 'total_principal_paid'])
-		pending_principal_amount = loan_amount - principal_paid
+		total_payment, principal_paid, interest_payable = frappe.get_value("Loan", self.loan, ['total_payment', 'total_principal_paid',
+			'total_interest_payable'])
+
+		pending_principal_amount = flt(total_payment) - flt(interest_payable) - flt(principal_paid)
 		security_value = 0
 
 		for security in self.securities:
@@ -60,7 +62,7 @@
 
 			security_value += qty_after_unpledge * loan_security_price_map.get(security.loan_security)
 
-		if not security_value and pending_principal_amount > 0:
+		if not security_value and flt(pending_principal_amount, 2) > 0:
 			frappe.throw("Cannot Unpledge, loan to value ratio is breaching")
 
 		if security_value and (pending_principal_amount/security_value) * 100 > ltv_ratio:
diff --git a/erpnext/maintenance/doctype/maintenance_schedule/maintenance_schedule.py b/erpnext/maintenance/doctype/maintenance_schedule/maintenance_schedule.py
index add7bbf..cba6a2d 100644
--- a/erpnext/maintenance/doctype/maintenance_schedule/maintenance_schedule.py
+++ b/erpnext/maintenance/doctype/maintenance_schedule/maintenance_schedule.py
@@ -67,16 +67,16 @@
 
 			for key in scheduled_date:
 				description =frappe._("Reference: {0}, Item Code: {1} and Customer: {2}").format(self.name, d.item_code, self.customer)
-				frappe.get_doc({
+				event = frappe.get_doc({
 					"doctype": "Event",
 					"owner": email_map.get(d.sales_person, self.owner),
 					"subject": description,
 					"description": description,
 					"starts_on": cstr(key["scheduled_date"]) + " 10:00:00",
 					"event_type": "Private",
-					"ref_type": self.doctype,
-					"ref_name": self.name
-				}).insert(ignore_permissions=1)
+				})
+				event.add_participant(self.doctype, self.name)
+				event.insert(ignore_permissions=1)
 
 		frappe.db.set(self, 'status', 'Submitted')
 
diff --git a/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py b/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
index d8ae17b..3c307e9 100644
--- a/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
+++ b/erpnext/maintenance/doctype/maintenance_schedule/test_maintenance_schedule.py
@@ -2,6 +2,7 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 from __future__ import unicode_literals
+from frappe.utils.data import get_datetime, add_days
 
 import frappe
 import unittest
@@ -9,4 +10,39 @@
 # test_records = frappe.get_test_records('Maintenance Schedule')
 
 class TestMaintenanceSchedule(unittest.TestCase):
-	pass
+	def test_events_should_be_created_and_deleted(self):
+		ms = make_maintenance_schedule()
+		ms.generate_schedule()
+		ms.submit()
+
+		all_events = get_events(ms)
+		self.assertTrue(len(all_events) > 0)
+
+		ms.cancel()
+		events_after_cancel = get_events(ms)
+		self.assertTrue(len(events_after_cancel) == 0)
+
+def get_events(ms):
+	return frappe.get_all("Event Participants", filters={
+			"reference_doctype": ms.doctype,
+			"reference_docname": ms.name,
+			"parenttype": "Event"
+		})
+
+def make_maintenance_schedule():
+	ms = frappe.new_doc("Maintenance Schedule")
+	ms.company = "_Test Company"
+	ms.customer = "_Test Customer"
+	ms.transaction_date = get_datetime()
+
+	ms.append("items", {
+		"item_code": "_Test Item",
+		"start_date": get_datetime(),
+		"end_date": add_days(get_datetime(), 32),
+		"periodicity": "Weekly",
+		"no_of_visits": 4,
+		"sales_person": "Sales Team",
+	})
+	ms.insert(ignore_permissions=True)
+
+	return ms
diff --git a/erpnext/non_profit/doctype/member/member.json b/erpnext/non_profit/doctype/member/member.json
index bb73a84..77cdb94 100644
--- a/erpnext/non_profit/doctype/member/member.json
+++ b/erpnext/non_profit/doctype/member/member.json
@@ -133,7 +133,8 @@
   {
    "fieldname": "email_id",
    "fieldtype": "Data",
-   "label": "Email Address"
+   "label": "Email Address",
+   "options": "Email"
   },
   {
    "fieldname": "subscription_id",
@@ -176,7 +177,7 @@
  ],
  "image_field": "image",
  "links": [],
- "modified": "2020-04-07 14:20:33.215700",
+ "modified": "2020-08-06 10:06:01.153564",
  "modified_by": "Administrator",
  "module": "Non Profit",
  "name": "Member",
diff --git a/erpnext/non_profit/doctype/member/member.py b/erpnext/non_profit/doctype/member/member.py
index c52082c..797736a 100644
--- a/erpnext/non_profit/doctype/member/member.py
+++ b/erpnext/non_profit/doctype/member/member.py
@@ -9,6 +9,7 @@
 from frappe.contacts.address_and_contact import load_address_and_contact
 from frappe.utils import cint
 from frappe.integrations.utils import get_payment_gateway_controller
+from erpnext.non_profit.doctype.membership_type.membership_type import get_membership_type
 
 class Member(Document):
 	def onload(self):
@@ -74,19 +75,23 @@
 		return create_member(user_details)
 
 def create_member(user_details):
+	user_details = frappe._dict(user_details)
 	member = frappe.new_doc("Member")
 	member.update({
 		"member_name": user_details.fullname,
 		"email_id": user_details.email,
-		"pan_number": user_details.pan,
+		"pan_number": user_details.pan or None,
 		"membership_type": user_details.plan_id,
-		"customer": create_customer(user_details)
+		"subscription_id": user_details.subscription_id or None
 	})
 
 	member.insert(ignore_permissions=True)
+	member.customer = create_customer(user_details, member.name)
+	member.save(ignore_permissions=True)
+
 	return member
 
-def create_customer(user_details):
+def create_customer(user_details, member=None):
 	customer = frappe.new_doc("Customer")
 	customer.customer_name = user_details.fullname
 	customer.customer_type = "Individual"
@@ -107,7 +112,13 @@
 			"link_name": customer.name
 		})
 
-		contact.save()
+		if member:
+			contact.append("links", {
+				"link_doctype": "Member",
+				"link_name": member
+			})
+
+		contact.save(ignore_permissions=True)
 
 	except frappe.DuplicateEntryError:
 		return customer.name
@@ -139,12 +150,31 @@
 
 	user_details = frappe._dict(user_details)
 	member = get_or_create_member(user_details)
-	if not member:
-		member = create_member(user_details)
 
 	subscription = member.setup_subscription()
 
 	member.subscription_id = subscription.get('subscription_id')
 	member.save(ignore_permissions=True)
 
-	return subscription
\ No newline at end of file
+	return subscription
+
+@frappe.whitelist(allow_guest=True)
+def register_member(fullname, email, rzpay_plan_id, subscription_id, pan=None, mobile=None):
+	plan = get_membership_type(rzpay_plan_id)
+	if not plan:
+		raise frappe.DoesNotExistError
+
+	member = frappe.db.exists("Member", {'email': email, 'subscription_id': subscription_id })
+	if member:
+		return member
+	else:
+		member = create_member(dict(
+			fullname=fullname,
+			email=email,
+			plan_id=plan,
+			subscription_id=subscription_id,
+			pan=pan,
+			mobile=mobile
+		))
+
+		return member.name
\ No newline at end of file
diff --git a/erpnext/non_profit/doctype/membership/membership.js b/erpnext/non_profit/doctype/membership/membership.js
index 554549a..ee8a8c0 100644
--- a/erpnext/non_profit/doctype/membership/membership.js
+++ b/erpnext/non_profit/doctype/membership/membership.js
@@ -8,6 +8,24 @@
 		})
 	},
 
+	refresh: function(frm) {
+		!frm.doc.invoice && frm.add_custom_button("Generate Invoice", () => {
+			frm.call("generate_invoice", {
+				save: true
+			}).then(() => {
+				frm.reload_doc();
+			});
+		});
+
+		frappe.db.get_single_value("Membership Settings", "send_email").then(val => {
+			if (val) frm.add_custom_button("Send Acknowledgement", () => {
+				frm.call("send_acknowlement").then(() => {
+					frm.reload_doc();
+				});
+			});
+		})
+	},
+
 	onload: function(frm) {
 		frm.add_fetch('membership_type', 'amount', 'amount');
 	}
diff --git a/erpnext/non_profit/doctype/membership/membership.json b/erpnext/non_profit/doctype/membership/membership.json
index 238f4c3..95bb3a5 100644
--- a/erpnext/non_profit/doctype/membership/membership.json
+++ b/erpnext/non_profit/doctype/membership/membership.json
@@ -19,10 +19,10 @@
   "paid",
   "currency",
   "amount",
+  "invoice",
   "razorpay_details_section",
   "subscription_id",
-  "payment_id",
-  "webhook_payload"
+  "payment_id"
  ],
  "fields": [
   {
@@ -118,17 +118,15 @@
    "read_only": 1
   },
   {
-   "fieldname": "webhook_payload",
-   "fieldtype": "Code",
-   "hidden": 1,
-   "label": "Webhook Payload",
-   "options": "JSON",
-   "read_only": 1
+   "fieldname": "invoice",
+   "fieldtype": "Link",
+   "label": "Invoice",
+   "options": "Sales Invoice"
   }
  ],
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2020-07-27 14:28:11.532696",
+ "modified": "2020-07-31 13:57:02.328995",
  "modified_by": "Administrator",
  "module": "Non Profit",
  "name": "Membership",
diff --git a/erpnext/non_profit/doctype/membership/membership.py b/erpnext/non_profit/doctype/membership/membership.py
index 729e111..f058004 100644
--- a/erpnext/non_profit/doctype/membership/membership.py
+++ b/erpnext/non_profit/doctype/membership/membership.py
@@ -10,6 +10,7 @@
 from frappe.model.document import Document
 from frappe.email import sendmail_to_system_managers
 from frappe.utils import add_days, add_years, nowdate, getdate, add_months, get_link_to_form
+from erpnext.non_profit.doctype.member.member import create_member
 from frappe import _
 import erpnext
 
@@ -57,11 +58,95 @@
 			self.load_from_db()
 			self.db_set('paid', 1)
 
+	def generate_invoice(self, save=True):
+		if not (self.paid or self.currency or self.amount):
+			frappe.throw(_("The payment for this membership is not paid. To generate invoice fill the payment details"))
+
+		if self.invoice:
+			frappe.throw(_("An invoice is already linked to this document"))
+
+		member = frappe.get_doc("Member", self.member)
+		plan = frappe.get_doc("Membership Type", self.membership_type)
+		settings = frappe.get_doc("Membership Settings")
+
+		if not member.customer:
+			frappe.throw(_("No customer linked to member {}", [member.name]))
+
+		if not settings.debit_account:
+			frappe.throw(_("You need to set <b>Debit Account</b> in Membership Settings"))
+
+		if not settings.company:
+			frappe.throw(_("You need to set <b>Default Company</b> for invoicing in Membership Settings"))
+
+		invoice = make_invoice(self, member, plan, settings)
+		self.invoice = invoice.name
+
+		if save:
+			self.save()
+
+		return invoice
+
+	def send_acknowlement(self):
+		settings = frappe.get_doc("Membership Settings")
+		if not settings.send_email:
+			frappe.throw(_("You need to enable <b>Send Acknowledge Email</b> in Membership Settings"))
+
+		member = frappe.get_doc("Member", self.member)
+		plan = frappe.get_doc("Membership Type", self.membership_type)
+		email = member.email_id if member.email_id else member.email
+		attachments = [frappe.attach_print("Membership", self.name, print_format=settings.membership_print_format)]
+
+		if self.invoice and settings.send_invoice:
+			attachments.append(frappe.attach_print("Sales Invoice", self.invoice, print_format=settings.inv_print_format))
+
+		email_template = frappe.get_doc("Email Template", settings.email_template)
+		context = { "doc": self, "member": member}
+
+		email_args = {
+			"recipients": [email],
+			"message": frappe.render_template(email_template.get("response"), context),
+			"subject": frappe.render_template(email_template.get("subject"), context),
+			"attachments": attachments,
+			"reference_doctype": self.doctype,
+			"reference_name": self.name
+		}
+
+		if not frappe.flags.in_test:
+			frappe.enqueue(method=frappe.sendmail, queue='short', timeout=300, is_async=True, **email_args)
+		else:
+			frappe.sendmail(**email_args)
+
+	def generate_and_send_invoice(self):
+		invoice = self.generate_invoice(False)
+		self.send_acknowlement()
+
+def make_invoice(membership, member, plan, settings):
+	invoice = frappe.get_doc({
+		'doctype': 'Sales Invoice',
+		'customer': member.customer,
+		'debit_to': settings.debit_account,
+		'currency': membership.currency,
+		'is_pos': 0,
+		'items': [
+			{
+				'item_code': plan.linked_item,
+				'rate': membership.amount,
+				'qty': 1
+			}
+		]
+	})
+
+	invoice.insert(ignore_permissions=True)
+	invoice.submit()
+
+	return invoice
+
 def get_member_based_on_subscription(subscription_id, email):
 	members = frappe.get_all("Member", filters={
 					'subscription_id': subscription_id,
 					'email_id': email
 				}, order_by="creation desc")
+
 	try:
 		return frappe.get_doc("Member", members[0]['name'])
 	except:
@@ -77,16 +162,15 @@
 
 	controller.verify_signature(data, signature, key)
 
-
 @frappe.whitelist(allow_guest=True)
 def trigger_razorpay_subscription(*args, **kwargs):
 	data = frappe.request.get_data(as_text=True)
 	try:
 		verify_signature(data)
 	except Exception as e:
-		signature = frappe.request.headers.get('X-Razorpay-Signature')
-		log = "{0} \n\n {1} \n\n {2} \n\n {3}".format(e, frappe.get_traceback(), signature, data)
-		frappe.log_error(e, "Webhook Verification Error")
+		log = frappe.log_error(e, "Webhook Verification Error")
+		notify_failure(log)
+		return { 'status': 'Failed', 'reason': e}
 
 	if isinstance(data, six.string_types):
 		data = json.loads(data)
@@ -99,35 +183,42 @@
 	payment = frappe._dict(payment)
 
 	try:
-		data_json = json.dumps(data, indent=4, sort_keys=True)
+		if not data.event == "subscription.charged":
+			return
+
 		member = get_member_based_on_subscription(subscription.id, payment.email)
-	except Exception as e:
-		error_log = frappe.log_error(frappe.get_traceback() + '\n' + data_json , _("Membership Webhook Failed"))
-		notify_failure(error_log)
-		return { status: 'Failed' }
+		if not member:
+			member = create_member(frappe._dict({
+				'fullname': payment.email,
+				'email': payment.email,
+				'plan_id': get_plan_from_razorpay_id(subscription.plan_id)
+			}))
 
-	if not member:
-		return { status: 'Failed' }
-	try:
-		if data.event == "subscription.activated":
+			member.subscription_id = subscription.id
 			member.customer_id = payment.customer_id
-		elif data.event == "subscription.charged":
-			membership = frappe.new_doc("Membership")
-			membership.update({
-				"member": member.name,
-				"membership_status": "Current",
-				"membership_type": member.membership_type,
-				"currency": "INR",
-				"paid": 1,
-				"payment_id": payment.id,
-				"webhook_payload": data_json,
-				"from_date": datetime.fromtimestamp(subscription.current_start),
-				"to_date": datetime.fromtimestamp(subscription.current_end),
-				"amount": payment.amount / 100 # Convert to rupees from paise
-			})
-			membership.insert(ignore_permissions=True)
+			if subscription.notes and type(subscription.notes) == dict:
+				notes = '\n'.join("{}: {}".format(k, v) for k, v in subscription.notes.items())
+				member.add_comment("Comment", notes)
+			elif subscription.notes and type(subscription.notes) == str:
+				member.add_comment("Comment", subscription.notes)
 
-		# Update these values anyway
+
+		# Update Membership
+		membership = frappe.new_doc("Membership")
+		membership.update({
+			"member": member.name,
+			"membership_status": "Current",
+			"membership_type": member.membership_type,
+			"currency": "INR",
+			"paid": 1,
+			"payment_id": payment.id,
+			"from_date": datetime.fromtimestamp(subscription.current_start),
+			"to_date": datetime.fromtimestamp(subscription.current_end),
+			"amount": payment.amount / 100 # Convert to rupees from paise
+		})
+		membership.insert(ignore_permissions=True)
+
+		# Update membership values
 		member.subscription_start = datetime.fromtimestamp(subscription.start_at)
 		member.subscription_end = datetime.fromtimestamp(subscription.end_at)
 		member.subscription_activated = 1
@@ -135,9 +226,9 @@
 	except Exception as e:
 		log = frappe.log_error(e, "Error creating membership entry")
 		notify_failure(log)
-		return { status: 'Failed' }
+		return { 'status': 'Failed', 'reason': e}
 
-	return { status: 'Success' }
+	return { 'status': 'Success' }
 
 
 def notify_failure(log):
@@ -152,3 +243,11 @@
 		sendmail_to_system_managers("[Important] [ERPNext] Razorpay membership webhook failed , please check.", content)
 	except:
 		pass
+
+def get_plan_from_razorpay_id(plan_id):
+	plan = frappe.get_all("Membership Type", filters={'razorpay_plan_id': plan_id}, order_by="creation desc")
+
+	try:
+		return plan[0]['name']
+	except:
+		return None
\ No newline at end of file
diff --git a/erpnext/non_profit/doctype/membership_settings/membership_settings.js b/erpnext/non_profit/doctype/membership_settings/membership_settings.js
index 8c0e3a4..1d89402 100644
--- a/erpnext/non_profit/doctype/membership_settings/membership_settings.js
+++ b/erpnext/non_profit/doctype/membership_settings/membership_settings.js
@@ -10,7 +10,39 @@
 				})
 			});
 		}
+
+		frm.set_query('inv_print_format', function(doc) {
+			return {
+				filters: {
+					"doc_type": "Sales Invoice"
+				}
+			};
+		});
+
+		frm.set_query('membership_print_format', function(doc) {
+			return {
+				filters: {
+					"doc_type": "Membership"
+				}
+			};
+		});
+
+		frm.set_query('debit_account', function(doc) {
+			return {
+				filters: {
+					'account_type': 'Receivable',
+					'is_group': 0,
+					'company': frm.doc.company
+				}
+			};
+		});
+
+		let docs_url = "https://docs.erpnext.com/docs/user/manual/en/non_profit/membership";
+
+		frm.set_intro(__("You can learn more about memberships in the manual. ") + `<a href='${docs_url}'>${__('ERPNext Docs')}</a>`, true);
+
 		frm.trigger("add_generate_button");
+		frm.trigger("add_copy_buttonn");
 	},
 
 	add_generate_button: function(frm) {
@@ -27,4 +59,12 @@
 			});
 		});
 	},
+
+	add_copy_buttonn: function(frm) {
+		if (frm.doc.webhook_secret) {
+			frm.add_custom_button(__("Copy Webhook URL"), () => {
+				frappe.utils.copy_to_clipboard(`https://${frappe.boot.sitename}/api/method/erpnext.non_profit.doctype.membership.membership.trigger_razorpay_subscription`);
+			});
+		}
+	}
 });
diff --git a/erpnext/non_profit/doctype/membership_settings/membership_settings.json b/erpnext/non_profit/doctype/membership_settings/membership_settings.json
index 52b9d01..5b6bab5 100644
--- a/erpnext/non_profit/doctype/membership_settings/membership_settings.json
+++ b/erpnext/non_profit/doctype/membership_settings/membership_settings.json
@@ -9,7 +9,17 @@
   "razorpay_settings_section",
   "billing_cycle",
   "billing_frequency",
-  "webhook_secret"
+  "webhook_secret",
+  "column_break_6",
+  "enable_auto_invoicing",
+  "company",
+  "debit_account",
+  "column_break_9",
+  "send_email",
+  "send_invoice",
+  "membership_print_format",
+  "inv_print_format",
+  "email_template"
  ],
  "fields": [
   {
@@ -41,11 +51,79 @@
    "fieldtype": "Password",
    "label": "Webhook Secret",
    "read_only": 1
+  },
+  {
+   "fieldname": "column_break_6",
+   "fieldtype": "Section Break",
+   "label": "Invoicing"
+  },
+  {
+   "default": "0",
+   "fieldname": "enable_auto_invoicing",
+   "fieldtype": "Check",
+   "label": "Enable Auto Invoicing",
+   "mandatory_depends_on": "eval:doc.send_invoice"
+  },
+  {
+   "depends_on": "eval:doc.enable_auto_invoicing",
+   "fieldname": "debit_account",
+   "fieldtype": "Link",
+   "label": "Debit Account",
+   "mandatory_depends_on": "eval:doc.enable_auto_invoicing",
+   "options": "Account"
+  },
+  {
+   "fieldname": "column_break_9",
+   "fieldtype": "Column Break"
+  },
+  {
+   "depends_on": "eval:doc.enable_auto_invoicing",
+   "fieldname": "company",
+   "fieldtype": "Link",
+   "label": "Company",
+   "mandatory_depends_on": "eval:doc.enable_auto_invoicing",
+   "options": "Company"
+  },
+  {
+   "default": "0",
+   "depends_on": "eval:doc.enable_auto_invoicing && doc.send_email",
+   "fieldname": "send_invoice",
+   "fieldtype": "Check",
+   "label": "Send Invoice with Email"
+  },
+  {
+   "default": "0",
+   "fieldname": "send_email",
+   "fieldtype": "Check",
+   "label": "Send Membership Acknowledgement"
+  },
+  {
+   "depends_on": "eval: doc.send_invoice",
+   "fieldname": "inv_print_format",
+   "fieldtype": "Link",
+   "label": "Invoice Print Format",
+   "mandatory_depends_on": "eval: doc.send_invoice",
+   "options": "Print Format"
+  },
+  {
+   "depends_on": "eval:doc.send_email",
+   "fieldname": "membership_print_format",
+   "fieldtype": "Link",
+   "label": "Membership Print Format",
+   "options": "Print Format"
+  },
+  {
+   "depends_on": "eval:doc.send_email",
+   "fieldname": "email_template",
+   "fieldtype": "Link",
+   "label": "Email Template",
+   "mandatory_depends_on": "eval:doc.send_email",
+   "options": "Email Template"
   }
  ],
  "issingle": 1,
  "links": [],
- "modified": "2020-05-22 12:38:27.103759",
+ "modified": "2020-08-05 17:26:37.287395",
  "modified_by": "Administrator",
  "module": "Non Profit",
  "name": "Membership Settings",
@@ -60,6 +138,23 @@
    "role": "System Manager",
    "share": 1,
    "write": 1
+  },
+  {
+   "create": 1,
+   "delete": 1,
+   "email": 1,
+   "print": 1,
+   "read": 1,
+   "role": "Non Profit Manager",
+   "share": 1,
+   "write": 1
+  },
+  {
+   "email": 1,
+   "print": 1,
+   "read": 1,
+   "role": "Non Profit Member",
+   "share": 1
   }
  ],
  "quick_entry": 1,
diff --git a/erpnext/non_profit/doctype/membership_type/membership_type.js b/erpnext/non_profit/doctype/membership_type/membership_type.js
index 226981d..43311a2 100644
--- a/erpnext/non_profit/doctype/membership_type/membership_type.js
+++ b/erpnext/non_profit/doctype/membership_type/membership_type.js
@@ -5,6 +5,10 @@
 	refresh: function(frm) {
 		frappe.db.get_single_value("Membership Settings", "enable_razorpay").then(val => {
 			if (val) frm.set_df_property('razorpay_plan_id', 'hidden', false);
-		})
+		});
+
+		frappe.db.get_single_value("Membership Settings", "enable_auto_invoicing").then(val => {
+			if (val) frm.set_df_property('linked_item', 'hidden', false);
+		});
 	}
 });
diff --git a/erpnext/non_profit/doctype/membership_type/membership_type.json b/erpnext/non_profit/doctype/membership_type/membership_type.json
index 319078f..6ce1ecd 100644
--- a/erpnext/non_profit/doctype/membership_type/membership_type.json
+++ b/erpnext/non_profit/doctype/membership_type/membership_type.json
@@ -8,7 +8,8 @@
  "field_order": [
   "membership_type",
   "amount",
-  "razorpay_plan_id"
+  "razorpay_plan_id",
+  "linked_item"
  ],
  "fields": [
   {
@@ -33,10 +34,17 @@
    "hidden": 1,
    "label": "Razorpay Plan ID",
    "unique": 1
+  },
+  {
+   "fieldname": "linked_item",
+   "fieldtype": "Link",
+   "label": "Linked Item",
+   "options": "Item",
+   "unique": 1
   }
  ],
  "links": [],
- "modified": "2020-03-30 12:54:07.850857",
+ "modified": "2020-08-05 15:21:43.595745",
  "modified_by": "Administrator",
  "module": "Non Profit",
  "name": "Membership Type",
diff --git a/erpnext/non_profit/doctype/membership_type/membership_type.py b/erpnext/non_profit/doctype/membership_type/membership_type.py
index ed6b549..b95b043 100644
--- a/erpnext/non_profit/doctype/membership_type/membership_type.py
+++ b/erpnext/non_profit/doctype/membership_type/membership_type.py
@@ -4,6 +4,10 @@
 
 from __future__ import unicode_literals
 from frappe.model.document import Document
+import frappe
 
 class MembershipType(Document):
 	pass
+
+def get_membership_type(razorpay_id):
+	return frappe.db.exists("Membership Type", {"razorpay_plan_id": razorpay_id})
\ No newline at end of file
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index a8648f5..4b9c566 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -722,4 +722,5 @@
 erpnext.patches.v13_0.stock_entry_enhancements
 erpnext.patches.v12_0.update_state_code_for_daman_and_diu
 erpnext.patches.v12_0.rename_lost_reason_detail
+erpnext.patches.v13_0.drop_razorpay_payload_column
 erpnext.patches.v13_0.update_start_end_date_for_old_shift_assignment
diff --git a/erpnext/patches/v13_0/drop_razorpay_payload_column.py b/erpnext/patches/v13_0/drop_razorpay_payload_column.py
new file mode 100644
index 0000000..8980fd0
--- /dev/null
+++ b/erpnext/patches/v13_0/drop_razorpay_payload_column.py
@@ -0,0 +1,7 @@
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+	if frappe.db.exists("DocType", "Membership"):
+		if 'webhook_payload' in frappe.db.get_table_columns("Membership"):
+			frappe.db.sql("alter table `tabMembership` drop column webhook_payload")
\ No newline at end of file
diff --git a/erpnext/public/js/controllers/buying.js b/erpnext/public/js/controllers/buying.js
index a4cc68b..cb76c87 100644
--- a/erpnext/public/js/controllers/buying.js
+++ b/erpnext/public/js/controllers/buying.js
@@ -503,11 +503,11 @@
 
 					if(!r.exc && r.message) {
 						remove_empty_first_row(frm);
-						for ( var i=0; i< r.message.length; i++ ) {
+						for (var i=0; i< r.message.length; i++) {
 							var d = frm.add_child("items");
 							var item = r.message[i];
-							for ( var key in  item) {
-								if ( !is_null(item[key]) ) {
+							for (var key in  item) {
+								if (!is_null(item[key]) && key !== "doctype") {
 									d[key] = item[key];
 								}
 							}
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 436a232..792235f 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -781,10 +781,23 @@
 		else var date = this.frm.doc.transaction_date;
 
 		if (frappe.meta.get_docfield(this.frm.doctype, "shipping_address") &&
-			in_list(['Purchase Order', 'Purchase Receipt', 'Purchase Invoice'], this.frm.doctype)){
+			in_list(['Purchase Order', 'Purchase Receipt', 'Purchase Invoice'], this.frm.doctype)) {
 			erpnext.utils.get_shipping_address(this.frm, function(){
 				set_party_account(set_pricing);
 			})
+
+			// Get default company billing address in Purchase Invoice, Order and Receipt
+			frappe.call({
+				'method': 'frappe.contacts.doctype.address.address.get_default_address',
+				'args': {
+					'doctype': 'Company',
+					'name': this.frm.doc.company
+				},
+				'callback': function(r) {
+					me.frm.set_value('billing_address', r.message);
+				}
+			});
+
 		} else {
 			set_party_account(set_pricing);
 		}
diff --git a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.js b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.js
index dfdf9dc..b757d53 100644
--- a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.js
+++ b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.js
@@ -46,5 +46,28 @@
 	],
 	onload: (report) => {
 		fetch_gstins(report);
+
+		report.page.add_inner_button(__("Download JSON"), function () {
+			var filters = report.get_values();
+
+			frappe.call({
+				method: 'erpnext.regional.report.hsn_wise_summary_of_outward_supplies.hsn_wise_summary_of_outward_supplies.get_json',
+				args: {
+					data: report.data,
+					report_name: report.report_name,
+					filters: filters
+				},
+				callback: function(r) {
+					if (r.message) {
+						const args = {
+							cmd: 'erpnext.regional.report.hsn_wise_summary_of_outward_supplies.hsn_wise_summary_of_outward_supplies.download_json_file',
+							data: r.message.data,
+							report_name: r.message.report_name
+						};
+						open_url_post(frappe.request.url, args);
+					}
+				}
+			});
+		});
 	}
 };
diff --git a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
index a3ed4ce..59389ce 100644
--- a/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
+++ b/erpnext/regional/report/hsn_wise_summary_of_outward_supplies/hsn_wise_summary_of_outward_supplies.py
@@ -4,11 +4,13 @@
 from __future__ import unicode_literals
 import frappe, erpnext
 from frappe import _
-from frappe.utils import flt
+from frappe.utils import flt, getdate, cstr
 from frappe.model.meta import get_field_precision
 from frappe.utils.xlsxutils import handle_html
 from six import iteritems
 import json
+from erpnext.regional.india.utils import get_gst_accounts
+from erpnext.regional.report.gstr_1.gstr_1 import get_company_gstin_number
 
 def execute(filters=None):
 	return _execute(filters)
@@ -141,7 +143,7 @@
 
 	tax_details = frappe.db.sql("""
 		select
-			parent, description, item_wise_tax_detail,
+			parent, account_head, item_wise_tax_detail,
 			base_tax_amount_after_discount_amount
 		from `tab%s`
 		where
@@ -153,11 +155,11 @@
 	""" % (tax_doctype, '%s', ', '.join(['%s']*len(invoice_item_row)), conditions),
 		tuple([doctype] + list(invoice_item_row)))
 
-	for parent, description, item_wise_tax_detail, tax_amount in tax_details:
-		description = handle_html(description)
-		if description not in tax_columns and tax_amount:
+	for parent, account_head, item_wise_tax_detail, tax_amount in tax_details:
+
+		if account_head not in tax_columns and tax_amount:
 			# as description is text editor earlier and markup can break the column convention in reports
-			tax_columns.append(description)
+			tax_columns.append(account_head)
 
 		if item_wise_tax_detail:
 			try:
@@ -175,17 +177,17 @@
 					for d in item_row_map.get(parent, {}).get(item_code, []):
 						item_tax_amount = tax_amount
 						if item_tax_amount:
-							itemised_tax.setdefault((parent, item_code), {})[description] = frappe._dict({
+							itemised_tax.setdefault((parent, item_code), {})[account_head] = frappe._dict({
 								"tax_amount": flt(item_tax_amount, tax_amount_precision)
 							})
 			except ValueError:
 				continue
 
 	tax_columns.sort()
-	for desc in tax_columns:
+	for account_head in tax_columns:
 		columns.append({
-			"label": desc,
-			"fieldname": frappe.scrub(desc),
+			"label": account_head,
+			"fieldname": frappe.scrub(account_head),
 			"fieldtype": "Float",
 			"width": 110
 		})
@@ -212,3 +214,76 @@
 
 	return result
 
+@frappe.whitelist()
+def get_json(filters, report_name, data):
+	filters = json.loads(filters)
+	report_data = json.loads(data)
+	gstin = filters.get('company_gstin') or get_company_gstin_number(filters["company"])
+
+	if not filters.get('from_date') or not filters.get('to_date'):
+		frappe.throw(_("Please enter From Date and To Date to generate JSON"))
+
+	fp = "%02d%s" % (getdate(filters["to_date"]).month, getdate(filters["to_date"]).year)
+
+	gst_json = {"version": "GST2.3.4",
+		"hash": "hash", "gstin": gstin, "fp": fp}
+
+	gst_json["hsn"] = {
+		"data": get_hsn_wise_json_data(filters, report_data)
+	}
+
+	return {
+		'report_name': report_name,
+		'data': gst_json
+	}
+
+@frappe.whitelist()
+def download_json_file():
+	'''download json content in a file'''
+	data = frappe._dict(frappe.local.form_dict)
+	frappe.response['filename'] = frappe.scrub("{0}".format(data['report_name'])) + '.json'
+	frappe.response['filecontent'] = data['data']
+	frappe.response['content_type'] = 'application/json'
+	frappe.response['type'] = 'download'
+
+def get_hsn_wise_json_data(filters, report_data):
+
+	filters = frappe._dict(filters)
+	gst_accounts = get_gst_accounts(filters.company)
+	data = []
+	count = 1
+
+	for hsn in report_data:
+		row = {
+			"num": count,
+			"hsn_sc": hsn.get("gst_hsn_code"),
+			"desc": hsn.get("description"),
+			"uqc": hsn.get("stock_uom").upper(),
+			"qty": hsn.get("stock_qty"),
+			"val": flt(hsn.get("total_amount"), 2),
+			"txval": flt(hsn.get("taxable_amount", 2)),
+			"iamt": 0.0,
+			"camt": 0.0,
+			"samt": 0.0,
+			"csamt": 0.0
+
+		}
+
+		for account in gst_accounts.get('igst_account'):
+			row['iamt'] += flt(hsn.get(frappe.scrub(cstr(account)), 0.0), 2)
+
+		for account in gst_accounts.get('cgst_account'):
+			row['camt'] += flt(hsn.get(frappe.scrub(cstr(account)), 0.0), 2)
+
+		for account in gst_accounts.get('sgst_account'):
+			row['samt'] += flt(hsn.get(frappe.scrub(cstr(account)), 0.0), 2)
+
+		for account in gst_accounts.get('cess_account'):
+			row['csamt'] += flt(hsn.get(frappe.scrub(cstr(account)), 0.0), 2)
+
+		data.append(row)
+		count +=1
+
+	return data
+
+
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 93d4832..911fe51 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -184,10 +184,10 @@
 	def validate_credit_limit_on_change(self):
 		if self.get("__islocal") or not self.credit_limits:
 			return
-		
+
 		past_credit_limits = [d.credit_limit
 			for d in frappe.db.get_all("Customer Credit Limit", filters={'parent': self.name}, fields=["credit_limit"], order_by="company")]
-		
+
 		current_credit_limits = [d.credit_limit for d in sorted(self.credit_limits, key=lambda k: k.company)]
 
 		if past_credit_limits == current_credit_limits:
diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index ab095eb..20ae19f 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -285,9 +285,17 @@
 						return customer
 					else:
 						raise
-				except frappe.MandatoryError:
+				except frappe.MandatoryError as e:
+					mandatory_fields = e.args[0].split(':')[1].split(',')
+					mandatory_fields = [customer.meta.get_label(field.strip()) for field in mandatory_fields]
+
 					frappe.local.message_log = []
-					frappe.throw(_("Please create Customer from Lead {0}").format(lead_name))
+					lead_link = frappe.utils.get_link_to_form("Lead", lead_name)
+					message = _("Could not auto create Customer due to the following missing mandatory field(s):") + "<br>"
+					message += "<br><ul><li>" + "</li><li>".join(mandatory_fields) + "</li></ul>"
+					message += _("Please create Customer from Lead {0}.").format(lead_link)
+
+					frappe.throw(message, title=_("Mandatory Missing"))
 			else:
 				return customer_name
 		else:
diff --git a/erpnext/selling/page/point_of_sale/pos_item_cart.js b/erpnext/selling/page/point_of_sale/pos_item_cart.js
index c23a6ad..eadeb8f 100644
--- a/erpnext/selling/page/point_of_sale/pos_item_cart.js
+++ b/erpnext/selling/page/point_of_sale/pos_item_cart.js
@@ -356,7 +356,7 @@
 				onchange: function() {
 					if (this.value || this.value == 0) {
 						const frm = me.events.get_frm();
-						frappe.model.set_value(frm.doc.doctype, frm.doc.name, 'additional_discount_percentage', this.value);
+						frappe.model.set_value(frm.doc.doctype, frm.doc.name, 'additional_discount_percentage', flt(this.value));
 						me.hide_discount_control(this.value);
 					}
 				},
@@ -948,4 +948,4 @@
 		show ? this.$component.removeClass('d-none') : this.$component.addClass('d-none');
     }
     
-}
\ No newline at end of file
+}
diff --git a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
index 4a8236d..67161aa 100644
--- a/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py
@@ -3,6 +3,7 @@
 
 from __future__ import unicode_literals
 import unittest
+import json
 import frappe, erpnext
 import frappe.defaults
 from frappe.utils import cint, flt, cstr, today, random_string
@@ -152,13 +153,78 @@
 			qty=100, basic_rate=100, company="_Test Company with perpetual inventory")
 		pr = make_purchase_receipt(item_code="_Test FG Item", qty=10, rate=0, is_subcontracted="Yes",
 			company="_Test Company with perpetual inventory", warehouse='Stores - TCP1', supplier_warehouse='Work In Progress - TCP1')
-		
+
 		gl_entries = get_gl_entries("Purchase Receipt", pr.name)
 
 		self.assertFalse(gl_entries)
 
 		set_perpetual_inventory(0)
 
+	def test_subcontracting_over_receipt(self):
+		"""
+			Behaviour: Raise multiple PRs against one PO that in total
+				receive more than the required qty in the PO.
+			Expected Result: Error Raised for Over Receipt against PO.
+		"""
+		from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
+		from erpnext.buying.doctype.purchase_order.test_purchase_order import (update_backflush_based_on,
+			make_subcontracted_item, create_purchase_order)
+		from erpnext.buying.doctype.purchase_order.purchase_order import (make_purchase_receipt,
+			make_rm_stock_entry as make_subcontract_transfer_entry)
+
+		update_backflush_based_on("Material Transferred for Subcontract")
+		item_code = "_Test Subcontracted FG Item 1"
+		make_subcontracted_item(item_code)
+
+		po = create_purchase_order(item_code=item_code, qty=1,
+			is_subcontracted="Yes", supplier_warehouse="_Test Warehouse 1 - _TC")
+
+		#stock raw materials in a warehouse before transfer
+		make_stock_entry(target="_Test Warehouse - _TC",
+			item_code="_Test Item Home Desktop 100", qty=1, basic_rate=100)
+		make_stock_entry(target="_Test Warehouse - _TC",
+			item_code = "Test Extra Item 1", qty=1, basic_rate=100)
+		make_stock_entry(target="_Test Warehouse - _TC",
+			item_code = "_Test Item", qty=1, basic_rate=100)
+
+		rm_items = [
+			{
+				"item_code": item_code,
+				"rm_item_code": po.supplied_items[0].rm_item_code,
+				"item_name": "_Test Item",
+				"qty": po.supplied_items[0].required_qty,
+				"warehouse": "_Test Warehouse - _TC",
+				"stock_uom": "Nos"
+			},
+			{
+				"item_code": item_code,
+				"rm_item_code": po.supplied_items[1].rm_item_code,
+				"item_name": "Test Extra Item 1",
+				"qty": po.supplied_items[1].required_qty,
+				"warehouse": "_Test Warehouse - _TC",
+				"stock_uom": "Nos"
+			},
+			{
+				"item_code": item_code,
+				"rm_item_code": po.supplied_items[2].rm_item_code,
+				"item_name": "_Test Item Home Desktop 100",
+				"qty": po.supplied_items[2].required_qty,
+				"warehouse": "_Test Warehouse - _TC",
+				"stock_uom": "Nos"
+			}
+		]
+		rm_item_string = json.dumps(rm_items)
+		se = frappe.get_doc(make_subcontract_transfer_entry(po.name, rm_item_string))
+		se.to_warehouse = "_Test Warehouse 1 - _TC"
+		se.save()
+		se.submit()
+
+		pr1 = make_purchase_receipt(po.name)
+		pr2 = make_purchase_receipt(po.name)
+
+		pr1.submit()
+		self.assertRaises(frappe.ValidationError, pr2.submit)
+
 	def test_serial_no_supplier(self):
 		pr = make_purchase_receipt(item_code="_Test Serialized Item With Series", qty=1)
 		self.assertEqual(frappe.db.get_value("Serial No", pr.get("items")[0].serial_no, "supplier"),