Tax & GST Compliance Calendar — FY 2026-27

Maintained by M J Thacker & Co, Chartered Accountants, Panvel · Updated: 11 June 2026

How to use this page: the first table lists dates that repeat every month; the second lists the one-off deadlines for the year ahead. All dates are as generally applicable and are subject to official extensions — we update this page when CBDT, GSTN or MCA notify a change.

Recurring monthly due dates

DayComplianceApplies to
7thDeposit of TDS / TCS deducted in the previous monthNon-government deductors
11thGSTR-1 (outward supplies) for the previous monthMonthly GST filers
13thInvoice Furnishing Facility (IFF) for the previous monthQRMP taxpayers (optional)
15thPF and ESI contribution deposit for the previous monthEmployers
20thGSTR-3B (summary return and tax payment) for the previous monthMonthly GST filers
25thPMT-06 monthly tax payment (months 1 and 2 of quarter)QRMP taxpayers

Quarterly GSTR-3B under QRMP is due on the 22nd of the month following the quarter for Maharashtra-registered taxpayers. Quarterly GSTR-1 is due on the 13th of the month following the quarter.

Key one-off deadlines: June 2026 – March 2027

DateComplianceRelates to
15 Jun 2026Advance tax — 1st instalment (15%) for FY 2026-27; employers issue Form 16 for FY 2025-26Income tax
31 Jul 2026ITR for AY 2026-27 — individuals and entities not requiring audit; TDS returns for Apr–Jun quarterIncome tax
15 Sep 2026Advance tax — 2nd instalment (45% cumulative)Income tax
30 Sep 2026Tax audit report (Form 3CA/3CB-3CD) for FY 2025-26; DIR-3 KYC for directors; AGM for companies (FY 2025-26)Income tax / MCA
31 Oct 2026ITR for AY 2026-27 — audit cases; TDS returns for Jul–Sep quarter; AOC-4 (financial statements, within 30 days of AGM)Income tax / MCA
29 Nov 2026MGT-7 / MGT-7A annual return (within 60 days of AGM)MCA
15 Dec 2026Advance tax — 3rd instalment (75% cumulative)Income tax
31 Dec 2026GSTR-9 / GSTR-9C annual return for FY 2025-26; belated or revised ITR for AY 2026-27GST / Income tax
31 Jan 2027TDS returns for Oct–Dec quarterIncome tax
15 Mar 2027Advance tax — final instalment (100%); full advance tax for presumptive-scheme taxpayersIncome tax
31 Mar 2027End of FY 2026-27 — last day for tax-saving investments (old regime) and several electionsIncome tax
Note: dates are as generally applicable on 11 June 2026 and may differ for special categories (government deductors, composition taxpayers, LLPs' Form 11/Form 8, trusts, etc.). Treat this as a planning aid, not advice — confirm your specific obligations with us before relying on a date.