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/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 ea39fe1..0ee5b09 100644
--- a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
+++ b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
@@ -280,9 +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 = {}
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 b81fa81..4b73094 100644
--- a/erpnext/regional/report/gstr_1/gstr_1.py
+++ b/erpnext/regional/report/gstr_1/gstr_1.py
@@ -286,7 +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):