Income Tax & GST Due Dates Calendar: Never Miss a Deadline
Advance tax instalments, ITR due dates, TDS deposits and returns, GSTR-1, GSTR-3B and annual return dates — all in one place.
Read guidePlain-English guides, the latest updates and a live calendar of deadlines — written by our CAs.
The new Income-tax Act replaces the 1961 law from 1 April 2026. Here is what changes in plain language — and what stays the same.
1 Oct 2026 · 5 min read
Advance tax instalments, ITR due dates, TDS deposits and returns, GSTR-1, GSTR-3B and annual return dates — all in one place.
Read guideThe new regime is now the default and offers zero tax up to ₹12 lakh of income. But if you claim HRA, home-loan interest and 80C, the old regime can still win. Here is how to decide.
Read guideFiling the wrong ITR form can make your return defective. Here is a simple guide to choosing between ITR-1, ITR-2, ITR-3 and ITR-4 based on your income sources.
Read guideTurnover thresholds, mandatory registration cases, documents required and the step-by-step process for getting your GSTIN.
Read guideKeep these documents ready before you file your income tax return — Form 16, AIS, capital gains statements, investment proofs and more.
Read guideWhat goes into GSTR-1 and GSTR-3B, their due dates, the QRMP scheme for small businesses and how to avoid late fees.
Read guideMissed 31 July? You can still file a belated return until 31 December — and an updated return (ITR-U) after that. Here is what it costs.
Read guideFrom Section 80C and NPS to HRA, health insurance and employer NPS — practical, fully legal ways to cut your tax bill.
Read guideIncome tax, TDS and GST due dates — updated live. Dates may be extended by government notification.
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