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 6a61ae2..ea39fe1 100644
--- a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
+++ b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
@@ -321,6 +321,9 @@
 									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):