ITR Filing for AY 2026-27: Due Dates, Which Form, and the New Revised-Return Window

Updated 2026-08-02 · By KyaTax · 6 min read

Here are the key filing dates for income earned in FY 2025-26 (AY 2026-27). Missing a deadline can mean interest, late fees and loss of certain benefits, so plan ahead.

Due dates at a glance

Taxpayer	Due date
Individuals filing ITR-1 / ITR-2	31 July 2026
ITR-3 / ITR-4, business/profession not under tax audit	31 August 2026
Cases requiring tax audit	31 October 2026 (audit report by 30 September 2026)

Bigger revised-return window

The window to file a revised return has been extended to 12 months from the end of the relevant tax year (from the earlier nine months) — giving genuine relief to correct mistakes.

Pick the right form: salary/one-house/interest income usually maps to ITR-1; presumptive business/profession to ITR-4; other business/capital gains to ITR-2/3. Filing the wrong form can invalidate your return.

Important: This article is general information based on laws, notifications and public sources current as of August 2026. It is not legal, tax, accounting or professional advice or opinion, and must not be relied on for any decision. Tax and legal rules change frequently and their application depends on your specific facts. Please verify the latest position and connect with a KyaTax expert or your professional advisor before acting.

Rules change often and how they apply depends on your exact numbers and facts. Don't guess on your ITR filing for AY 2026-27 — get a qualified professional to review your case.

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Frequently asked questions

What is the last date to file ITR for FY 2025-26?

31 July 2026 for ITR-1/2, 31 August 2026 for non-audit ITR-3/4, and 31 October 2026 for audit cases. Dates can be extended by notification — check the latest.

Which ITR form should I use?

It depends on your income sources. Choosing the wrong form can make the return defective. If unsure, have a professional confirm before filing.

Can I revise my return later?

Yes, the revised-return window is now up to 12 months from the end of the tax year, subject to conditions.