Hi Every One- Greetings for the Day!!! I hope u all will like this All Tally ERP9 users gets error while Submitting GSTR1 from Tally ERP 9 due to new Changes in GSTR1 - to get HSN Code and Gst Rate Details in GSTR1 with this TCP Tally ERP 9 users can File GSTR1 - Return Successfully steps activate TCP Restart Tally select Co. Press CTRL + ALT + G press yes to enable Add-on Once successfully activated do normal GSTR1 - Jason File Export - and check and Upload to site Done!!! - Download and Unzip the Attachement - Demo TCP to Check