Compliance Calendar: AY 2026-27 & 2027-28

Quarter 1 (Jan – Mar 2026)
January 2026
  • 7 JanDeposit TDS/TCS for December 2025.
  • 10 JanFile GSTR-7 (TDS) & GSTR-8 (TCS) for December 2025.
  • 11 JanFile GSTR-1 (Monthly) for December 2025.
  • 15 JanSubmit tax-saving proofs to your employer.
  • 31 JanDeadline for Quarterly TDS Return (Form 24Q) for Q3 (Oct–Dec 2025).
February 2026
  • 1 FebBudget Day: Review tax changes and check if the new tax regime is more beneficial.
March 2026
  • 15 MarDeadline for the 4th Installment of Advance Tax for FY 2025-26.
  • 31 MarLast day to update tax returns for FY 2021-22.
Quarter 2 (Apr – Jun 2026)
April 2026
  • 1-5 AprIdeal window to invest in PPF for maximum interest for the new FY.
  • 30 AprFile annual GSTR-4 for Composition Dealers for FY 2025-26.
June 2026
  • 15 JunDeadline for 1st Installment of Advance Tax for A.Y. 2027-28.
Quarter 3 (July – Sept 2026)
July 2026
  • 31 JulITR Deadline: Official filing date for Individuals and Non-Audit cases (A.Y. 2026-27).
September 2026
  • 15 SepDeadline for 2nd Installment of Advance Tax for A.Y. 2027-28.
  • 30 SepTax Audit Report: Standard deadline under Section 44AB (A.Y. 2026-27).
Quarter 4 (Oct – Dec 2026)
October 2026
  • 31 OctITR filing deadline for businesses and audit-subject individuals (A.Y. 2026-27).
December 2026
  • 15 DecDeadline for 3rd Installment of Advance Tax for A.Y. 2027-28.
  • 31 DecLast day for filing Belated or Revised ITR for A.Y. 2026-27.
  • 31 DecAnnual GST Return (GSTR-9/9C) due for FY 2025-26.
💡 Pro-Tip for Businesses

Ensure your GSTR-9/9C reconciliation matches your Tax Audit Report to avoid notices during assessment. Start your internal audits by November to meet the December 31st deadline comfortably.