There are 3 types of GST return filing in India: GSTR 1: This is indispensable for maintaining accurate and up-to-date records of all sales transactions. Filing of invoice details on a monthly/quarterly basis. GSTR 3B: The backbone of the GST system, ensuring monthly compliance and tax payments. Filing a summary of monthly transactions and payment of GST. GSTR 9: The ultimate a... https://legalterminus.com/registrations-returns/return-filing/gst-return-filing/