How to Amend GSTR-1 After Filing GSTR-3B? | Step-by-Step Amendment Guide on GST Portalbr br ✅ YouTube Descriptionbr br Learn how to amend GSTR-1 data even after filing GSTR-3B on the GST portal.br In this video, we explain:br br ✔ When GSTR-1 amendment is allowedbr ✔ How to correct wrong invoices (B2B, B2C, CDN, Export, etc.)br ✔ Step-by-step amendment processbr ✔ Which month to amendbr ✔ Common errors & solutionsbr ✔ Important GST rules you must followbr br This guide is helpful for GST filers, accountants, online sellers, AmazonFlipkart sellers, and small businesses.br br 📌 Watch the full video to avoid penalties & mismatches.