Last Day to File ITR 2025: Complete Guide, Step-by-Step Instructions & Important Tips

Sep 15, 2025

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Today is the final day for many taxpayers in India to file their Income Tax Return (ITR) for the Financial Year 2024–25 (Assessment Year 2025‑26) without incurring late fees or penalties. Filing your ITR on time is crucial to avoid unnecessary charges, ensure refunds are processed, and maintain compliance with income tax laws.

This guide explains everything you need to know, including documents required, step-by-step filing instructions, consequences of missing the deadline, and useful tips for hassle-free submission.

Who Needs to File by Today

Taxpayer Category	Deadline	Applicable ITR Forms
Individuals, Hindu Undivided Families (HUFs), and others not required to undergo tax audit	15 September 2025	ITR‑1 (Sahaj), ITR‑2, ITR‑4 (Sugam)
Taxpayers required to undergo audit (businesses, certain professional incomes)	Later dates (usually 31 October 2025 or as notified)	ITR‑3, ITR‑5, ITR‑6

Note: This extension was granted to allow taxpayers additional time to adjust to new ITR forms and utilities.

Essential Documents for Filing ITR

Before you start, gather all relevant documents to ensure accurate filing:

Form 16 – Provided by employer (salary and TDS details)
Form 26AS / Annual Information Statement – Shows tax credits, TDS, advance tax
Bank Statements & Interest Certificates – Savings, fixed deposits, recurring deposits
Investment Proofs – Section 80C, 80D, 80E, home loan interest certificates
Other Income Documents – Capital gains, rental income, freelance income, foreign income
PAN, Aadhaar, and validated bank account details – Required for filing and refunds

Step-by-Step Guide to File ITR Online

Step	Instructions
1. Login to e-Filing Portal	Use PAN and password on the Income Tax Department portal.
2. Select Assessment Year	Choose AY 2025‑26 for FY 2024–25.
3. Choose ITR Form	Select the correct form based on your income type: salary, business, or capital gains.
4. Enter Income Details	Fill in pre-filled salary, TDS, and interest information. Add missing income sources if any.
5. Claim Deductions	Include eligible deductions under Sections 80C, 80D, 80E, etc.
6. Calculate Tax & Pay	Verify if tax is payable or refund is due. Pay any tax liability before submission.
7. Submit Return	Preview, validate, and submit the ITR.
8. E-Verify	Complete e-verification within 30 days via Aadhaar OTP, net banking, or other accepted methods.
9. Download Acknowledgement	Receive confirmation of successful filing and verification.

Consequences of Missing Today’s Deadline

Consequence	Details
Late Filing Fee (Section 234F)	Up to ₹5,000 if income > ₹5 lakh; ₹1,000 if income ≤ ₹5 lakh
Interest on Unpaid Tax (Section 234A)	1% per month on any unpaid tax liability
Loss of Benefits	Belated returns may restrict carrying forward of losses and certain tax benefits
Delayed Refunds	Refund processing may take longer if filing is late

Options If You Miss the Deadline

Belated Return: You can file until 31 December 2025, but late fees and interest apply.
Updated Return (ITR-U): Allows corrections or updates to already filed returns within the allowed timeframe.

Tips for Smooth ITR Filing

File Early in the Day – Avoid portal congestion as the deadline approaches.
Double-Check Pre-Filled Data – Ensure Form 26AS / AIS / TIS details match your income and tax credits.
Validate Bank Account – Refunds are processed faster if your account is validated.
Keep Proofs Ready – Retain investment, donation, and other deduction documents in case of scrutiny.
Pay Any Tax Due in Advance – Avoid last-minute payment failures.

Conclusion

Filing your ITR on time is critical to avoid penalties, ensure refunds, and maintain compliance. September 15, 2025, is the last day for most taxpayers to submit without late fees. Follow the steps, gather documents, file correctly, and e-verify promptly to stay on the safe side.

Even if you miss the deadline, belated filing and corrections are possible, but early compliance is always better.

Disclaimer

This article is for informational purposes only and does not constitute financial or tax advice. Tax laws, filing procedures, and deadlines are subject to change. Consult a qualified tax professional or the official Income Tax Department for personalized guidance.