diff --git a/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py b/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
index 5619321..f2b0a8c 100644
--- a/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
+++ b/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
@@ -27,6 +27,9 @@
 		if not (self.company and self.posting_date):
 			frappe.throw(_("Please select Company and Posting Date to getting entries"))
 
+	def on_cancel(self):
+		self.ignore_linked_doctypes = ('GL Entry')
+
 	@frappe.whitelist()
 	def check_journal_entry_condition(self):
 		total_debit = frappe.db.get_value("Journal Entry Account", {
@@ -99,10 +102,12 @@
 					sum(debit) - sum(credit) as balance
 				from `tabGL Entry`
 				where account in (%s)
-				group by account, party_type, party
+				and posting_date <= %s
+				and is_cancelled = 0
+				group by account, NULLIF(party_type,''), NULLIF(party,'')
 				having sum(debit) != sum(credit)
 				order by account
-			""" % ', '.join(['%s']*len(accounts)), tuple(accounts), as_dict=1)
+			""" % (', '.join(['%s']*len(accounts)), '%s'), tuple(accounts + [self.posting_date]), as_dict=1)
 
 		return account_details
 
@@ -143,9 +148,9 @@
 				"party_type": d.get("party_type"),
 				"party": d.get("party"),
 				"account_currency": d.get("account_currency"),
-				"balance": d.get("balance_in_account_currency"),
-				dr_or_cr: abs(d.get("balance_in_account_currency")),
-				"exchange_rate":d.get("new_exchange_rate"),
+				"balance": flt(d.get("balance_in_account_currency"), d.precision("balance_in_account_currency")),
+				dr_or_cr: flt(abs(d.get("balance_in_account_currency")), d.precision("balance_in_account_currency")),
+				"exchange_rate": flt(d.get("new_exchange_rate"), d.precision("new_exchange_rate")),
 				"reference_type": "Exchange Rate Revaluation",
 				"reference_name": self.name,
 				})
@@ -154,9 +159,9 @@
 				"party_type": d.get("party_type"),
 				"party": d.get("party"),
 				"account_currency": d.get("account_currency"),
-				"balance": d.get("balance_in_account_currency"),
-				reverse_dr_or_cr: abs(d.get("balance_in_account_currency")),
-				"exchange_rate": d.get("current_exchange_rate"),
+				"balance": flt(d.get("balance_in_account_currency"), d.precision("balance_in_account_currency")),
+				reverse_dr_or_cr: flt(abs(d.get("balance_in_account_currency")), d.precision("balance_in_account_currency")),
+				"exchange_rate": flt(d.get("current_exchange_rate"), d.precision("current_exchange_rate")),
 				"reference_type": "Exchange Rate Revaluation",
 				"reference_name": self.name
 				})
@@ -185,9 +190,9 @@
 
 	account_details = {}
 	company_currency = erpnext.get_company_currency(company)
-	balance = get_balance_on(account, party_type=party_type, party=party, in_account_currency=False)
+	balance = get_balance_on(account, date=posting_date, party_type=party_type, party=party, in_account_currency=False)
 	if balance:
-		balance_in_account_currency = get_balance_on(account, party_type=party_type, party=party)
+		balance_in_account_currency = get_balance_on(account, date=posting_date, party_type=party_type, party=party)
 		current_exchange_rate = balance / balance_in_account_currency if balance_in_account_currency else 0
 		new_exchange_rate = get_exchange_rate(account_currency, company_currency, posting_date)
 		new_balance_in_base_currency = balance_in_account_currency * new_exchange_rate
diff --git a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
index 6635128..d788d91 100644
--- a/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
+++ b/erpnext/accounts/doctype/payment_reconciliation/payment_reconciliation.py
@@ -306,5 +306,5 @@
 				}
 			]
 		})
-
+		jv.flags.ignore_mandatory = True
 		jv.submit()
\ No newline at end of file
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 4c313c4..cdd865a 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1112,8 +1112,11 @@
 			for d in self.get("payment_schedule"):
 				if d.invoice_portion:
 					d.payment_amount = flt(grand_total * flt(d.invoice_portion / 100), d.precision('payment_amount'))
-					d.base_payment_amount = flt(base_grand_total * flt(d.invoice_portion / 100), d.precision('payment_amount'))
+					d.base_payment_amount = flt(base_grand_total * flt(d.invoice_portion / 100), d.precision('base_payment_amount'))
 					d.outstanding = d.payment_amount
+				elif not d.invoice_portion:
+					d.base_payment_amount = flt(base_grand_total * self.get("conversion_rate"), d.precision('base_payment_amount'))
+
 
 	def set_due_date(self):
 		due_dates = [d.due_date for d in self.get("payment_schedule") if d.due_date]
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 2a83635..b891719 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -293,3 +293,4 @@
 erpnext.patches.v13_0.update_level_in_bom #1234sswef
 erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry
 erpnext.patches.v13_0.update_subscription_status_in_memberships
+erpnext.patches.v13_0.update_export_type_for_gst
diff --git a/erpnext/patches/v13_0/add_missing_fg_item_for_stock_entry.py b/erpnext/patches/v13_0/add_missing_fg_item_for_stock_entry.py
index 48999e6..d7ad1fc 100644
--- a/erpnext/patches/v13_0/add_missing_fg_item_for_stock_entry.py
+++ b/erpnext/patches/v13_0/add_missing_fg_item_for_stock_entry.py
@@ -10,6 +10,7 @@
 	if not frappe.db.has_column('Work Order', 'has_batch_no'):
 		return
 
+	frappe.reload_doc('manufacturing', 'doctype', 'manufacturing_settings')
 	if cint(frappe.db.get_single_value('Manufacturing Settings', 'make_serial_no_batch_from_work_order')):
 		return
 
@@ -107,4 +108,4 @@
 		"company": doc.company
 	})
 
-	create_repost_item_valuation_entry(args)
\ No newline at end of file
+	create_repost_item_valuation_entry(args)
diff --git a/erpnext/patches/v13_0/update_export_type_for_gst.py b/erpnext/patches/v13_0/update_export_type_for_gst.py
new file mode 100644
index 0000000..478a2a6
--- /dev/null
+++ b/erpnext/patches/v13_0/update_export_type_for_gst.py
@@ -0,0 +1,24 @@
+import frappe
+
+def execute():
+	company = frappe.get_all('Company', filters = {'country': 'India'})
+	if not company:
+		return
+
+	# Update custom fields
+	fieldname = frappe.db.get_value('Custom Field', {'dt': 'Customer', 'fieldname': 'export_type'})
+	if fieldname:
+		frappe.db.set_value('Custom Field', fieldname, 'default', '')
+
+	fieldname = frappe.db.get_value('Custom Field', {'dt': 'Supplier', 'fieldname': 'export_type'})
+	if fieldname:
+		frappe.db.set_value('Custom Field', fieldname, 'default', '')
+
+	# Update Customer/Supplier Masters
+	frappe.db.sql("""
+		UPDATE `tabCustomer` set export_type = '' WHERE gst_category NOT IN ('SEZ', 'Overseas', 'Deemed Export')
+	""")
+
+	frappe.db.sql("""
+		UPDATE `tabSupplier` set export_type = '' WHERE gst_category NOT IN ('SEZ', 'Overseas')
+	""")
\ No newline at end of file
diff --git a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
index 6415204..0ee5b09 100644
--- a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
+++ b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
@@ -214,9 +214,8 @@
 
 			for d in item_details:
 				if d.item_code not in self.invoice_items.get(d.parent, {}):
-					self.invoice_items.setdefault(d.parent, {}).setdefault(d.item_code,
-						sum((i.get('taxable_value', 0) or i.get('base_net_amount', 0)) for i in item_details
-							if i.item_code == d.item_code and i.parent == d.parent))
+					self.invoice_items.setdefault(d.parent, {}).setdefault(d.item_code, 0.0)
+					self.invoice_items[d.parent][d.item_code] += d.get('taxable_value', 0) or d.get('base_net_amount', 0)
 
 				if d.is_nil_exempt and d.item_code not in self.is_nil_exempt:
 					self.is_nil_exempt.append(d.item_code)
@@ -281,9 +280,15 @@
 		if self.get('invoice_items'):
 			# Build itemised tax for export invoices, nil and exempted where tax table is blank
 			for invoice, items in iteritems(self.invoice_items):
-				if invoice not in self.items_based_on_tax_rate and (self.invoice_detail_map.get(invoice, {}).get('export_type')
-					== "Without Payment of Tax"):
+				if invoice not in self.items_based_on_tax_rate and self.invoice_detail_map.get(invoice, {}).get('export_type') \
+					== "Without Payment of Tax" and self.invoice_detail_map.get(invoice, {}).get('gst_category') == "Overseas":
 					self.items_based_on_tax_rate.setdefault(invoice, {}).setdefault(0, items.keys())
+				else:
+					for item in items.keys():
+						if item in self.is_nil_exempt + self.is_non_gst and \
+							item not in self.items_based_on_tax_rate.get(invoice, {}).get(0, []):
+								self.items_based_on_tax_rate.setdefault(invoice, {}).setdefault(0, [])
+								self.items_based_on_tax_rate[invoice][0].append(item)
 
 	def set_outward_taxable_supplies(self):
 		inter_state_supply_details = {}
@@ -322,6 +327,9 @@
 									inter_state_supply_details[(gst_category, place_of_supply)]['txval'] += taxable_value
 									inter_state_supply_details[(gst_category, place_of_supply)]['iamt'] += (taxable_value * rate /100)
 
+			if self.invoice_cess.get(inv):
+				self.report_dict['sup_details']['osup_det']['csamt'] += flt(self.invoice_cess.get(inv), 2)
+
 		self.set_inter_state_supply(inter_state_supply_details)
 
 	def set_supplies_liable_to_reverse_charge(self):
diff --git a/erpnext/regional/india/setup.py b/erpnext/regional/india/setup.py
index 9265460..e9372f9 100644
--- a/erpnext/regional/india/setup.py
+++ b/erpnext/regional/india/setup.py
@@ -641,7 +641,6 @@
 				'label': 'Export Type',
 				'fieldtype': 'Select',
 				'insert_after': 'gst_category',
-				'default': 'Without Payment of Tax',
 				'depends_on':'eval:in_list(["SEZ", "Overseas"], doc.gst_category)',
 				'options': '\nWith Payment of Tax\nWithout Payment of Tax'
 			}
@@ -660,7 +659,6 @@
 				'label': 'Export Type',
 				'fieldtype': 'Select',
 				'insert_after': 'gst_category',
-				'default': 'Without Payment of Tax',
 				'depends_on':'eval:in_list(["SEZ", "Overseas", "Deemed Export"], doc.gst_category)',
 				'options': '\nWith Payment of Tax\nWithout Payment of Tax'
 			}
diff --git a/erpnext/regional/report/gstr_1/gstr_1.py b/erpnext/regional/report/gstr_1/gstr_1.py
index cfcb8c3..4b73094 100644
--- a/erpnext/regional/report/gstr_1/gstr_1.py
+++ b/erpnext/regional/report/gstr_1/gstr_1.py
@@ -217,9 +217,8 @@
 
 		for d in items:
 			if d.item_code not in self.invoice_items.get(d.parent, {}):
-				self.invoice_items.setdefault(d.parent, {}).setdefault(d.item_code,
-					sum((i.get('taxable_value', 0) or i.get('base_net_amount', 0)) for i in items
-						if i.item_code == d.item_code and i.parent == d.parent))
+				self.invoice_items.setdefault(d.parent, {}).setdefault(d.item_code, 0.0)
+				self.invoice_items[d.parent][d.item_code] += d.get('taxable_value', 0) or d.get('base_net_amount', 0)
 
 				item_tax_rate = {}
 
@@ -287,7 +286,8 @@
 		# Build itemised tax for export invoices where tax table is blank
 		for invoice, items in iteritems(self.invoice_items):
 			if invoice not in self.items_based_on_tax_rate and invoice not in unidentified_gst_accounts_invoice \
-				and frappe.db.get_value(self.doctype, invoice, "export_type") == "Without Payment of Tax":
+				and self.invoices.get(invoice, {}).get('export_type') == "Without Payment of Tax" \
+				and self.invoices.get(invoice, {}).get('gst_category') == "Overseas":
 					self.items_based_on_tax_rate.setdefault(invoice, {}).setdefault(0, items.keys())
 
 	def get_columns(self):