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GST 12 Apr 2025 4 min read

GST Return Due Dates FY 2025-26: Complete Calendar

Every GSTR-1, GSTR-3B, CMP-08 and GSTR-9 due date for FY 2025-26 — for monthly, QRMP and composition taxpayers.

Missing a GST return due date triggers a ₹50/day late fee (₹20/day for nil returns) plus 18% annual interest on tax due. Here is the complete FY 2025-26 calendar so you never miss a deadline.

Monthly filers (turnover above ₹5 Cr)

  • GSTR-1 — 11th of the next month
  • GSTR-3B — 20th of the next month
  • GSTR-5/5A (non-resident / OIDAR) — 20th
  • GSTR-6 (ISD) — 13th
  • GSTR-7/8 (TDS/TCS) — 10th

QRMP scheme (turnover up to ₹5 Cr)

  • IFF (optional B2B invoices) — 13th of month 1 & month 2 of the quarter
  • GSTR-1 (quarterly) — 13th of the month following the quarter
  • GSTR-3B (quarterly) — 22nd or 24th (state-wise) of the month following the quarter
  • PMT-06 challan — 25th of months 1 & 2

Composition dealers

  • CMP-08 — 18th of the month following the quarter
  • GSTR-4 (annual) — 30th June 2026

Annual returns

  • GSTR-9 (turnover > ₹2 Cr) — 31st December 2026
  • GSTR-9C (turnover > ₹5 Cr) — 31st December 2026

Need help filing on time? Our GST fee calculator shows your monthly cost in seconds, and our team handles GSTR-1, 3B and 9 from ₹299/month with full GSTR-2B reconciliation.

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