Every year, the same thing happens. Form 16 lands in your inbox sometime in June, you tell yourself you’ll “do it this weekend,” and then it’s the third week of July and you’re frantically Googling “what documents do I need for ITR filing” at 11 PM.
This year, let’s not do that.
Here’s everything you actually need to file your Income Tax Return for FY 2025-26 (Assessment Year 2026-27) — the deadlines, the forms, the documents, the new tax regime math, and the mistakes that cause the most trouble for families filing every year.
The Deadline: What’s Actually Different This Year
For FY 2025-26 (AY 2026-27), the due dates are staggered by taxpayer category:
If you’re a salaried professional, 31 July 2026 is your date. Freelancers and consultants filing ITR-3 or ITR-4 without an audit requirement get an extra month this year, until 31 August — a genuine relief for professionals and small business owners.
One more thing worth knowing: this is the last ITR filing season under the familiar Income Tax Act, 1961. The new Income Tax Act, 2025 takes effect from 1 April 2026, but since AY 2026-27 covers income earned in FY 2025-26 (i.e., before that date), your return this year is governed entirely by the old, familiar framework. Nothing changes in how you file — but next year’s return (for income earned from April 2026 onwards) will follow the new Act.
If you miss the deadline
- Belated return: You can still file until 31 December 2026, but you’ll pay a late fee under Section 234F — ₹1,000 if your total income is under ₹5 lakh, ₹5,000 otherwise — plus 1% monthly interest on any unpaid tax under Section 234A.
- You lose the right to switch tax regimes for that year if you file late, and you lose the ability to carry forward certain capital or business losses.
- Revised return: Made an error after filing? You can now revise your return up to 31 March 2027 — this window was extended from the earlier 31 December cutoff, giving you three extra months to fix mistakes.
- Updated return (ITR-U): Missed everything? You have up to 48 months (4 years) from the end of the assessment year — so until 31 March 2031 for AY 2026-27 — to file an updated return, subject to additional tax.
Filing on time matters beyond just avoiding penalties. Early filers get refunds faster, and a clean ITR acknowledgment is often what banks ask for on loan applications and what embassies ask for on visa applications.
Which ITR Form Do You Actually Need?
Picking the wrong form is one of the most common reasons a return gets flagged as defective. Here’s the quick version for individuals:
ITR-1 (Sahaj) — for resident individuals with:
- Total income up to ₹50 lakh
- Salary or pension income
- Up to two house properties (new for AY 2026-27 — previously ITR-1 only allowed one)
- Interest income from savings accounts, FDs, bonds
- Long-term capital gains under Section 112A up to ₹1.25 lakh (also new — small equity/mutual fund LTCG no longer forces you into ITR-2)
- Agricultural income up to ₹5,000
You cannot use ITR-1 if you:
- Are a company director
- Held unlisted equity shares at any point in the year
- Have foreign assets, foreign income, or signing authority on a foreign account
- Have short-term capital gains, or LTCG above ₹1.25 lakh
- Have business or professional income
- Have income above ₹50 lakh, or more than two house properties
ITR-2 — for individuals and HUFs with capital gains (beyond ITR-1’s limits), more than two house properties, foreign income or assets, or income above ₹50 lakh — but no business income.
ITR-3 — for individuals with business or professional income.
ITR-4 (Sugam) — for small businesses and professionals who’ve opted for presumptive taxation under Sections 44AD, 44ADA, or 44AE, with turnover within prescribed limits.
If you and your spouse have different income profiles — say, one of you is salaried with a home loan and the other is a freelance consultant — you’ll likely be filing two different forms between you. That’s normal, and it’s exactly the kind of detail that’s easy to lose track of when both of you are managing your own scattered accounts, statements, and TDS certificates.
Old vs New Tax Regime: The Decision That Actually Matters
The new tax regime is the default now, but you can still opt for the old regime if it works out better for you.
New tax regime, FY 2025-26:
- Standard deduction for salaried individuals and pensioners: ₹75,000
- Section 87A rebate: up to ₹60,000, for total income up to ₹12 lakh
- Net effect: salaried individuals with income up to ₹12.75 lakh (₹12 lakh + ₹75,000 standard deduction) can end up with zero tax liability
- Most deductions (HRA, Section 80C, home loan interest under Section 24(b), etc.) are not available
Old tax regime, FY 2025-26:
- Standard deduction: ₹50,000
- Section 87A rebate: up to ₹12,500, for total income up to ₹5 lakh
- Full access to deductions: Section 80C (₹1.5 lakh — PPF, ELSS, EPF, life insurance premiums), Section 80D (health insurance premiums), HRA, home loan interest, and more
So which one should you pick?
There’s no universal answer — it genuinely depends on how many deductions you can claim. As a rough guide: if your combined 80C, 80D, HRA, and home loan interest claims add up to a meaningful chunk of your income, the old regime may still work out cheaper. If you don’t have large deductions to claim, the new regime’s higher rebate threshold usually wins.
The only way to know for sure is to calculate both ways — most tax portals and the income tax department’s own calculator let you compare side by side before you file.
One important rule for switching: salaried individuals with no business income can switch between the old and new regime every single year, directly in the ITR, as long as they file by the due date. If you have business or professional income, it’s more restrictive — you need to file Form 10-IEA to opt out of the new regime, and switching back to the new regime later is allowed only once in a lifetime.
Trying to file without these ready is the single biggest cause of “I’ll finish it tomorrow” turning into “I’ll finish it in December.”
Essentials for everyone:
- PAN (linked to Aadhaar — worth double-checking on the income tax portal before you begin)
- Aadhaar
- Bank account details (account number + IFSC, and the account should be pre-validated on the e-filing portal so your refund isn’t stuck)
For salaried individuals:
- Form 16 from your employer (from each employer, if you switched jobs during the year)
- Salary slips, if Form 16 is delayed
- Form 26AS — shows your consolidated TDS/TCS credits
- Annual Information Statement (AIS) and Taxpayer Information Summary (TIS) — download both from the e-filing portal
If applicable:
- Interest certificates from banks/post office for FDs and savings accounts
- Capital gains statements from your mutual fund platforms or broker
- Home loan interest certificate (Section 24(b)) and principal repayment details
- Section 80C proof: PPF passbook, ELSS statements, life insurance premium receipts, tuition fee receipts
- Section 80D proof: health insurance premium receipts
- Rent receipts if claiming HRA
Why AIS and Form 26AS matter more than people think
Form 26AS shows what’s been deducted and deposited against your PAN. AIS goes further — it pulls in bank interest, dividends, mutual fund transactions, high-value transactions, and more, all reported by third parties directly to the tax department.
Here’s the part that catches people off guard: income showing up in your AIS that you don’t declare in your ITR is one of the most common reasons people get a notice from the tax department — even if it’s something as small as savings account interest you genuinely forgot about. It isn’t optional information; it’s a cross-check the department is already running against what you file.
Before you submit, it’s worth pulling up AIS and Form 26AS side by side and checking that every entry — salary TDS, bank interest, dividends, mutual fund redemptions — is accounted for somewhere in your return. If something in Form 26AS doesn’t match your Form 16, sort it out with your employer or bank before you file, not after.
This is also where a lot of dual-income households lose time — one spouse’s SIPs are on one platform, FDs are across two or three banks, and the home loan is with a different lender altogether. None of that shows up in one place unless you go looking for it, which is exactly the kind of scattering that makes tax season take longer than it should.
The Bigger Picture
None of this is complicated in isolation. Filing your ITR is a handful of documents and a couple of decisions — which form, which regime. What actually makes it stressful is not having those documents and numbers in one place when you sit down to do it.
If your family’s SIPs, FDs, bank accounts, and loans are scattered across several apps and two different names, tax season is usually when that scattering costs the most time. Pulling everything together well before the last week of July — not during it — is what makes the rest of this checklist easy to actually follow.
This article is for general informational purposes and reflects the ITR filing rules applicable for FY 2025-26 (AY 2026-27) as notified by the CBDT. It is not tax advice. Tax rules and due dates are subject to change, and your specific situation may involve considerations not covered here — please consult a qualified chartered accountant or tax professional before filing.
Famli is a SEBI-registered Investment Adviser (INA000021979). Famli does not provide tax advice or file returns on your behalf; it helps you see your bank accounts, SIPs, FDs, and loans in one place via the RBI-regulated Account Aggregator framework, so you have your financial picture ready when you need it.
