diff --git a/erpnext/accounts/doctype/pos_invoice/pos_invoice.py b/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
index d6e41e6f90d..27d678b212d 100644
--- a/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
+++ b/erpnext/accounts/doctype/pos_invoice/pos_invoice.py
@@ -40,6 +40,7 @@ class POSInvoice(SalesInvoice):
 		self.validate_change_amount()
 		self.validate_change_account()
 		self.validate_item_cost_centers()
+		self.validate_warehouse()
 		self.validate_serialised_or_batched_item()
 		self.validate_stock_availablility()
 		self.validate_return_items_qty()
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 4527e3939be..47f92afa776 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -314,3 +314,4 @@ erpnext.patches.v13_0.create_website_items
 erpnext.patches.v13_0.populate_e_commerce_settings
 erpnext.patches.v13_0.make_homepage_products_website_items
 erpnext.patches.v13_0.update_dates_in_tax_withholding_category
+erpnext.patches.v13_0.gst_fields_for_pos_invoice
diff --git a/erpnext/patches/v13_0/gst_fields_for_pos_invoice.py b/erpnext/patches/v13_0/gst_fields_for_pos_invoice.py
new file mode 100644
index 00000000000..5b790d9f173
--- /dev/null
+++ b/erpnext/patches/v13_0/gst_fields_for_pos_invoice.py
@@ -0,0 +1,44 @@
+from __future__ import unicode_literals
+
+import frappe
+from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
+
+
+def execute():
+	company = frappe.get_all('Company', filters = {'country': 'India'}, fields=['name'])
+	if not company:
+		return
+
+	hsn_sac_field = dict(fieldname='gst_hsn_code', label='HSN/SAC',
+		fieldtype='Data', fetch_from='item_code.gst_hsn_code', insert_after='description',
+		allow_on_submit=1, print_hide=1, fetch_if_empty=1)
+	nil_rated_exempt = dict(fieldname='is_nil_exempt', label='Is Nil Rated or Exempted',
+		fieldtype='Check', fetch_from='item_code.is_nil_exempt', insert_after='gst_hsn_code',
+		print_hide=1)
+	is_non_gst = dict(fieldname='is_non_gst', label='Is Non GST',
+		fieldtype='Check', fetch_from='item_code.is_non_gst', insert_after='is_nil_exempt',
+		print_hide=1)
+	taxable_value = dict(fieldname='taxable_value', label='Taxable Value',
+		fieldtype='Currency', insert_after='base_net_amount', hidden=1, options="Company:company:default_currency",
+		print_hide=1)
+	sales_invoice_gst_fields = [
+			dict(fieldname='billing_address_gstin', label='Billing Address GSTIN',
+				fieldtype='Data', insert_after='customer_address', read_only=1,
+				fetch_from='customer_address.gstin', print_hide=1),
+			dict(fieldname='customer_gstin', label='Customer GSTIN',
+				fieldtype='Data', insert_after='shipping_address_name',
+				fetch_from='shipping_address_name.gstin', print_hide=1),
+			dict(fieldname='place_of_supply', label='Place of Supply',
+				fieldtype='Data', insert_after='customer_gstin',
+				print_hide=1, read_only=1),
+			dict(fieldname='company_gstin', label='Company GSTIN',
+				fieldtype='Data', insert_after='company_address',
+				fetch_from='company_address.gstin', print_hide=1, read_only=1),
+		]
+
+	custom_fields = {
+		'POS Invoice': sales_invoice_gst_fields,
+		'POS Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst, taxable_value],
+	}
+
+	create_custom_fields(custom_fields, update=True)
\ No newline at end of file
diff --git a/erpnext/regional/india/setup.py b/erpnext/regional/india/setup.py
index 03b5c8ad5f9..df509e710ed 100644
--- a/erpnext/regional/india/setup.py
+++ b/erpnext/regional/india/setup.py
@@ -530,6 +530,7 @@ def make_custom_fields(update=True):
 		'Purchase Order': purchase_invoice_gst_fields,
 		'Purchase Receipt': purchase_invoice_gst_fields,
 		'Sales Invoice': sales_invoice_gst_category + invoice_gst_fields + sales_invoice_shipping_fields + sales_invoice_gst_fields + si_ewaybill_fields + si_einvoice_fields,
+		'POS Invoice': sales_invoice_gst_fields,
 		'Delivery Note': sales_invoice_gst_fields + ewaybill_fields + sales_invoice_shipping_fields + delivery_note_gst_category,
 		'Payment Entry': payment_entry_fields,
 		'Journal Entry': journal_entry_fields,
@@ -548,6 +549,7 @@ def make_custom_fields(update=True):
 		'Sales Order Item': [hsn_sac_field, nil_rated_exempt, is_non_gst],
 		'Delivery Note Item': [hsn_sac_field, nil_rated_exempt, is_non_gst],
 		'Sales Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst, taxable_value],
+		'POS Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst, taxable_value],
 		'Purchase Order Item': [hsn_sac_field, nil_rated_exempt, is_non_gst],
 		'Purchase Receipt Item': [hsn_sac_field, nil_rated_exempt, is_non_gst],
 		'Purchase Invoice Item': [hsn_sac_field, nil_rated_exempt, is_non_gst, taxable_value],