• GST TAX COMPLIANCE CALENDAR
Tax Resource

GST TAX COMPLIANCE CALENDAR — MARCH 2026 TO MARCH 2027

India GST Compliance Due Dates

Month Due Date Return Applicable To Description Frequency Notes
March 2026 11-Mar-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for February 2026 Monthly Turnover > ₹5 Cr or opted out of QRMP
March 2026 13-Mar-26 GSTR-1A / IFF QRMP Taxpayers Invoice Furnishing Facility for Feb 2026 (Opt.) Monthly For QRMP scheme taxpayers
March 2026 13-Mar-26 GSTR-6 Input Service Distributors ISD Return for February 2026 Monthly
March 2026 20-Mar-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Feb 2026 Monthly Turnover > ₹5 Cr
March 2026 22-Mar-26 GSTR-3B QRMP - Category I States Tax Payment for Feb 2026 (Cat I States) Monthly States: Chhattisgarh, MP, Gujarat, etc.
March 2026 24-Mar-26 GSTR-3B QRMP - Category II States Tax Payment for Feb 2026 (Cat II States) Monthly States: Delhi, Haryana, UP, etc.
March 2026 28-Mar-26 GSTR-11 UIN Holders (Embassies/UN) Inward Supplies Statement for Feb 2026 Monthly
March 2026 31-Mar-26 GSTR-9 / 9C All Regular Taxpayers Annual Return & Audit for FY 2024-25 Annual Last date - critical deadline
April 2026 11-Apr-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for March 2026 Monthly
April 2026 13-Apr-26 IFF QRMP Taxpayers Invoice Furnishing Facility for Mar 2026 Monthly
April 2026 13-Apr-26 GSTR-6 Input Service Distributors ISD Return for March 2026 Monthly
April 2026 20-Apr-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Mar 2026 Monthly Turnover > ₹5 Cr
April 2026 22-Apr-26 GSTR-3B QRMP - Category I States Tax Payment for Mar 2026 (Cat I States) Monthly
April 2026 24-Apr-26 GSTR-3B QRMP - Category II States Tax Payment for Mar 2026 (Cat II States) Monthly
April 2026 25-Apr-26 GSTR-3B / PMT-06 QRMP Taxpayers (Q4 FY26) Q4 FY 25-26 Return or Challan Payment Quarterly Jan-Mar 2026 Quarter
April 2026 30-Apr-26 GSTR-4 Composition Taxpayers Annual Return for FY 2025-26 Annual Composition scheme taxpayers
May 2026 11-May-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for April 2026 Monthly
May 2026 13-May-26 GSTR-6 Input Service Distributors ISD Return for April 2026 Monthly
May 2026 20-May-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Apr 2026 Monthly
May 2026 22-May-26 GSTR-3B QRMP - Category I States Tax Payment for Apr 2026 (Cat I States) Monthly
May 2026 24-May-26 GSTR-3B QRMP - Category II States Tax Payment for Apr 2026 (Cat II States) Monthly
May 2026 31-May-26 GSTR-7 / GSTR-8 TDS / TCS Deductors TDS & TCS Returns for April 2026 Monthly
June 2026 11-Jun-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for May 2026 Monthly
June 2026 13-Jun-26 GSTR-6 Input Service Distributors ISD Return for May 2026 Monthly
June 2026 20-Jun-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for May 2026 Monthly
June 2026 22-Jun-26 GSTR-3B QRMP - Category I States Tax Payment for May 2026 (Cat I States) Monthly
June 2026 24-Jun-26 GSTR-3B QRMP - Category II States Tax Payment for May 2026 (Cat II States) Monthly
July 2026 11-Jul-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for June 2026 Monthly
July 2026 13-Jul-26 GSTR-6 Input Service Distributors ISD Return for June 2026 Monthly
July 2026 20-Jul-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Jun 2026 Monthly
July 2026 22-Jul-26 GSTR-3B QRMP - Category I States Tax Payment for Jun 2026 (Cat I States) Monthly
July 2026 24-Jul-26 GSTR-3B QRMP - Category II States Tax Payment for Jun 2026 (Cat II States) Monthly
July 2026 25-Jul-26 GSTR-3B / PMT-06 QRMP Taxpayers (Q1 FY27) Q1 FY26-27 Return or Challan Payment Quarterly Apr-Jun 2026 Quarter
July 2026 31-Jul-26 GSTR-9 / 9C All Regular Taxpayers Annual Return & Audit for FY 2025-26 Annual Tentative extended deadline
August 2026 11-Aug-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for July 2026 Monthly
August 2026 13-Aug-26 GSTR-6 Input Service Distributors ISD Return for July 2026 Monthly
August 2026 20-Aug-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Jul 2026 Monthly
August 2026 22-Aug-26 GSTR-3B QRMP - Category I States Tax Payment for Jul 2026 (Cat I States) Monthly
August 2026 24-Aug-26 GSTR-3B QRMP - Category II States Tax Payment for Jul 2026 (Cat II States) Monthly
September 2026 11-Sep-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for August 2026 Monthly  
September 2026 13-Sep-26 GSTR-6 Input Service Distributors ISD Return for August 2026 Monthly  
September 2026 20-Sep-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Aug 2026 Monthly  
September 2026 22-Sep-26 GSTR-3B QRMP – Category I States Tax Payment for Aug 2026 (Cat I States) Monthly  
September 2026 24-Sep-26 GSTR-3B QRMP – Category II States Tax Payment for Aug 2026 (Cat II States) Monthly  
October 2026 11-Oct-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for September 2026 Monthly  
October 2026 13-Oct-26 GSTR-6 Input Service Distributors ISD Return for September 2026 Monthly  
October 2026 20-Oct-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Sep 2026 Monthly  
October 2026 22-Oct-26 GSTR-3B QRMP – Category I States Tax Payment for Sep 2026 (Cat I States) Monthly  
October 2026 24-Oct-26 GSTR-3B QRMP – Category II States Tax Payment for Sep 2026 (Cat II States) Monthly  
October 2026 25-Oct-26 GSTR-3B / PMT-06 QRMP Taxpayers (Q2 FY27) Q2 FY26-27 Return or Challan Payment Quarterly Jul – Sep 2026 Quarter
November 2026 11-Nov-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for October 2026 Monthly  
November 2026 13-Nov-26 GSTR-6 Input Service Distributors ISD Return for October 2026 Monthly  
November 2026 20-Nov-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Oct 2026 Monthly  
November 2026 22-Nov-26 GSTR-3B QRMP – Category I States Tax Payment for Oct 2026 (Cat I States) Monthly  
November 2026 24-Nov-26 GSTR-3B QRMP – Category II States Tax Payment for Oct 2026 (Cat II States) Monthly  
December 2026 11-Dec-26 GSTR-1 Regular Taxpayers (Monthly) Outward Supplies Return for November 2026 Monthly  
December 2026 13-Dec-26 GSTR-6 Input Service Distributors ISD Return for November 2026 Monthly  
December 2026 20-Dec-26 GSTR-3B Regular Taxpayers (Monthly) Summary Return & Tax Payment for Nov 2026 Monthly  
December 2026 22-Dec-26 GSTR-3B QRMP – Category I States Tax Payment for Nov 2026 (Cat I States) Monthly  
December 2026 24-Dec-26 GSTR-3B QRMP – Category II States Tax Payment for Nov 2026 (Cat II States) Monthly  
January 2027 11-Jan-27 GSTR-1 Regular Taxpayers Outward Supplies Return for December 2026 Monthly  
January 2027 13-Jan-27 GSTR-6 Input Service Distributors ISD Return for December 2026 Monthly  
January 2027 20-Jan-27 GSTR-3B Regular Taxpayers Summary Return & Tax Payment for Dec 2026 Monthly  
January 2027 22-Jan-27 GSTR-3B QRMP – Category I States Tax Payment for Dec 2026 (Cat I States) Monthly  
January 2027 24-Jan-27 GSTR-3B QRMP – Category II States Tax Payment for Dec 2026 (Cat II States) Monthly  
January 2027 25-Jan-27 GSTR-3B / PMT-06 QRMP Taxpayers Q3 FY26-27 Return or Challan Payment Quarterly Oct – Dec 2026 Quarter
February 2027 11-Feb-27 GSTR-1 Regular Taxpayers Outward Supplies Return for January 2027 Monthly  
February 2027 13-Feb-27 GSTR-6 Input Service Distributors ISD Return for January 2027 Monthly  
February 2027 20-Feb-27 GSTR-3B Regular Taxpayers Summary Return & Tax Payment for Jan 2027 Monthly  
February 2027 22-Feb-27 GSTR-3B QRMP – Category I States Tax Payment for Jan 2027 Monthly  
February 2027 24-Feb-27 GSTR-3B QRMP – Category II States Tax Payment for Jan 2027 Monthly  
March 2027 11-Mar-27 GSTR-1 Regular Taxpayers Outward Supplies Return for February 2027 Monthly  
March 2027 13-Mar-27 GSTR-6 Input Service Distributors ISD Return for February 2027 Monthly  
March 2027 20-Mar-27 GSTR-3B Regular Taxpayers Summary Return & Tax Payment for Feb 2027 Monthly  
March 2027 22-Mar-27 GSTR-3B QRMP – Category I States Tax Payment for Feb 2027 Monthly  
March 2027 24-Mar-27 GSTR-3B QRMP – Category II States Tax Payment for Feb 2027 Monthly  
March 2027 31-Mar-27 GSTR-9 / 9C All Regular Taxpayers Annual Return & Audit for FY 2026 – 27 Annual Last date – Critical deadline