January 22nd 2026
GSTR-3B— For the quarter October to December 2025 to be filed by taxpayers who have opted for QRMP scheme.
States of Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana and Andhra Pradesh, the Union territories of Daman and Diu, Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands and Lakshadweep |