ITR-1, ITR-2, ITR-3 and ITR-4 explained for AY 2025-26 — eligibility, examples, comparison table and the mistakes that cause defective return notices.
Picking the wrong ITR form is the single most common reason for a defective return notice under Section 139(9). You get 15 days to correct it, the refund gets blocked, and in many cases the original filing is treated as invalid. This guide walks through ITR-1 (Sahaj), ITR-2, ITR-3 and ITR-4 (Sugam) for AY 2025-26 — who should use which, real examples, and the trap doors to avoid. Unsure after reading? Our income tax return filing service picks the right form for you.
If you have even ₹100 of long-term capital gain on equity (which is exempt up to ₹1.25 lakh), you still cannot use ITR-1 — you must move to ITR-2.
Any income from business or profession — even ₹1 of freelance receipts pushes you to ITR-3 or ITR-4. Side-hustle bloggers, occasional consultants and YouTubers cannot quietly file in ITR-2.
F&O traders cannot use ITR-2 even if the only 'business' is F&O. The income is treated as business income, audit may apply, and ITR-3 is mandatory. Filing ITR-2 with F&O income is one of the top reasons for defective return notices.
| Feature | ITR-1 | ITR-2 | ITR-3 | ITR-4 |
|---|---|---|---|---|
| Salary / pension | ✅ | ✅ | ✅ | ✅ |
| More than 1 house property | ❌ | ✅ | ✅ | ❌ (only 1) |
| Capital gains | ❌ | ✅ | ✅ | ❌ |
| Business / professional income | ❌ | ❌ | ✅ | ✅ (presumptive only) |
| F&O / intraday trading | ❌ | ❌ | ✅ | ❌ |
| Foreign income / assets | ❌ | ✅ | ✅ | ❌ |
| Income above ₹50 lakh | ❌ | ✅ | ✅ | ❌ |
| Director in a company | ❌ | ✅ | ✅ | ❌ |
| Crypto / VDA gains | ❌ | ✅ | ✅ | ❌ |
| Carry-forward losses | ❌ | ✅ | ✅ | ❌ |
Ankit thinks ITR-1 is fine because his ELSS gain was ₹40,000 (exempt under ₹1.25 lakh LTCG limit). Wrong. Any capital gain — even exempt — disqualifies ITR-1. Correct form: ITR-2.
She wants the simplicity of presumptive 50% under 44ADA. She has no capital gains and only one house. Correct form: ITR-4 (Sugam). If she also sold a flat this year, she moves to ITR-3 because Sugam doesn't permit capital gains.
F&O is business income. To carry forward the ₹2.1 lakh loss for 8 years, Rohit must file ITR-3 by 31 July (or 31 October if audit applies) — not ITR-2. A late return forfeits the loss carry-forward permanently.
She opts for 44ADA presumptive at 50% — taxable income ₹9 lakh. Correct form: ITR-4. If next year she opts out of presumptive to claim actual lower profit, she must file ITR-3 and is locked out of 44ADA for 5 AYs.
Even though only salary is received, being a director disqualifies ITR-1 and ITR-4. Correct form: ITR-2 (if no other business) or ITR-3 (if he also has freelance income on the side).
ITR-3 if you maintain books; ITR-4 if you opt for 44ADA presumptive (50% of gross receipts as deemed profit). ITR-1 and ITR-2 are not available the moment you have any professional receipts.
Yes. Any redemption — even a single unit with ₹50 gain — is a capital gain, which excludes ITR-1 and ITR-4. Use ITR-2 (salaried) or ITR-3 (if you also have business income).
Yes — your ITR form depends on the income mix of that year, not the previous year. The only exception is the 5-year lock-in if you opt out of 44AD presumptive.
You'll get a defective return notice under Section 139(9), with 15 days to file the correct form. If you don't, the return is treated as invalid — meaning no return was filed at all, with all the late-filing consequences. File a revised return in the correct form as soon as you spot the mistake.
The portal suggests a form based on the previous year, but it cannot detect this year's capital gain, F&O activity or directorship until you enter them. The responsibility is on you (or your CA) to pick correctly.
ITR-1 is for the simplest salaried life; ITR-2 absorbs everything non-business with complexity; ITR-3 is the catch-all for business and professional income with books; ITR-4 is the presumptive shortcut. When in doubt, move up — it's always safer to file ITR-2 instead of ITR-1, or ITR-3 instead of ITR-4. The cost of over-filing is zero; the cost of under-filing is a notice.
Senior contributor at Taxpex Consultancy. Reviewed by a practising Chartered Accountant. Published on 5 April 2026 · Updated on 5 April 2026.
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