Revised ITR: until 31 March 2027
The ITR-1 FAQ: if you discover a mistake in a submitted return, you can file a revised return. From AY 2026-27 the due date is extended to the end of the assessment year — 31 March of the relevant AY. For AY 2026-27 that is 31 March 2027.
Example
Illustrative. You forgot ₹18,000 of FD interest. Revise the return, add the income and pay the extra tax with interest before 31 March 2027.
Before revising
- ☐ Compare Form 26AS / AIS with your return
- ☐ Find missing income or wrong deductions
- ☐ Recalculate the tax
- ☐ File the revised return
We'll remind you 3 days before 31 March 👇
Source: Income Tax Department, ITR-1 FAQ (revised return).