Answer

1. F

   Facts

   A return filed in the wrong form can be treated as defective. The fix is to file a revised return in the correct form, or respond to a Sec 139(9) (now Sec 263(7)) defect notice if one arrives.

2. P

   Provisions and law

   • Sec 139(5), Income-tax Act 1961 (now Sec 263(5), Income-tax Act 2025)Revised return can be filed if an omission or wrong statement is found, by 31 March of the assessment year (Finance Act 2026) or before assessment
   • Sec 139(9), Income-tax Act 1961 (now Sec 263(7), Income-tax Act 2025)Defective return notice; fix within 15 days or the return is treated as invalid
3. A

   Analysis

   Example: you filed ITR-1 but sold mutual funds with a short-term gain of ₹45,000, which ITR-1 does not allow. File a revised return in ITR-2, include the gain and pay any tax. If a defect notice has already come, respond within 15 days by filing the corrected return in that response.

4. C

   Conclusion

   1. 1Check which form fits your income
   2. 2Prepare the return in the correct form
   3. 3File as revised return under section 139(5)
   4. 4If a defect notice came, respond within 15 days instead
   5. 5E-verify

General guidance from TaxSavvy’s library of money processes. Laws change; your Savvy confirms the answer on your exact case before anything is filed.