GSTN has requested an extension for GSTR - 1 filing deadline due to technical glitches. The portal is currently under maintenance and expected to be operational by 12:00 noon. Learn more. The November 2025 GST Compliance Calendar: Key Due Dates This month’s deadlines primarily relate to the business activities conducted in October 2025. Here is a breakdown of the key forms and due dates you need to track. For Monthly Filers (Regular Taxpayers) These deadlines apply to taxpayers with an aggregate annual turnover of more than ₹5 crores in the previous financial year. November 11, 2025: GSTR- 1 This is the due date for filing your detailed statement of outward supplies (sales ... GSTR -1A shall be available to the taxpayer after filing of GSTR 1 or due date of GSTR 1 , which ever is later. GSTR 1A can be filed any time before filing of GSTR 3B of the same tax period. Form GSTR -1A is an optional facility and can be filed only once for a particular tax period. GSTR- 1 is a GST return for reporting sales and outward supplies. File monthly or quarterly with ease. Learn who should file and how to file.
