How to File ITR Online in India? AY 2026-27

Filing an Income Tax Return (ITR) is an important financial responsibility for every taxpayer in India. The Income Tax Department has simplified the process through its online portal, making it easier to file ITRs electronically from anywhere.

Whether you are a salaried employee, a business owner, a freelancer or an investor, understanding the correct process of filing an Income Tax Return can help you to avoid penalties and ensure timely tax refunds.

This article explains how to file an ITR online in India, the documents required, offline filing methods, mandatory filing criteria, and common mistakes to avoid.

What is an Income Tax Return (ITR)?

An Income Tax Return (ITR) is a form through which taxpayers report their income, deductions, tax paid, and tax liability to the Income Tax Department. Filing an ITR helps individuals comply with tax regulations, claim refunds, carry forward losses and maintain financial records.

The Income Tax Department offers different ITR forms depending on the taxpayer's income, sources and category. Taxpayers can choose to file ITR online through the e-filing portal or submit it offline, depending on eligibility and applicable rules.

Also Read: ITR Filing for the first-time taxpayers

Documents Required for Filing ITR

Before you E-file ITR, keep the following documents ready:

PAN and Aadhaar

• Identity Verification: PAN and Aadhaar help verify taxpayer identity and ensure seamless linking of tax-related information.

Bank Statements

• Income Tracking: Bank statements provide details of transactions, interest earnings, and financial activities during the financial year.

Form 16

• Salary Information: Form 16 contains salary details, deductions claimed, and tax deducted by your employer.

Donation Receipts

• Deduction Proof: Donation receipts help claim eligible deductions under applicable sections of the Income Tax Act.

Stock Trading Statements

• Capital Gains Calculation: Trading statements help calculate capital gains, losses, and tax liability from investments.

Life and Health Insurance Policy Paid Receipts

• Tax Benefit Evidence: Insurance premium receipts support deduction claims under eligible tax-saving provisions.

Bank Account Information Linked to PAN

• Refund Processing: Correct bank account details to ensure smooth tax refund credit and account validation.

Aadhaar-Registered Mobile Number

• Verification Requirement: Aadhaar-linked mobile number is necessary for OTP-based electronic verification after filing.

Interest Certificates from Banks

• Interest Reporting: Interest certificates help report savings account and fixed deposit interest income accurately.

How to file ITR Online? (Step-by-Step)

Below is the step-by-step process to file ITR online in India:

Step 1: Log in to the Income Tax Portal

• Log in Process: Visit the income tax portal and sign in using your PAN, password, and registered credentials.

Step 2: Select the Relevant Assessment Year and Mode of Filing ITR

• Assessment Year Selection: Choose AY 2026-27 for income earned during FY 2025-26 and select the online filing mode.

• Tax Year Understanding: Income earned during FY 2025-26 is assessed in AY 2026-27 under existing tax provisions.

Step 3: Select Your Filing Status

• Taxpayer Category: Choose your status, such as Individual, HUF, or other applicable category, before proceeding further.

Step 4: Select the Applicable ITR Form

• Correct Form Selection: Choose the appropriate ITR form based on your income sources and taxpayer category.

Step 5: Choose the Reason for Filing ITR

• Filing Purpose: Select the applicable reason for filing based on income level or mandatory compliance requirements.

Step 6: Fill in all the Information, Validate, Confirm, and Submit

• Review Personal Details: Check pre-filled information, including PAN, Aadhaar, address, contact details, and bank account information.

• Verify Bank Account: Ensure your bank account is correctly entered and pre-validated for refund processing purposes.

• Report Income Sources: Enter salary, interest, capital gains, business income, and other earnings accurately.

• Claim Deductions: Include all eligible exemptions and deductions available under the applicable tax regime.

• Cross-Check Information: Verify data with Form 16, Form 26AS, AIS, bank statements, and investment records.

• Confirm Return Summary: Carefully review the return summary before proceeding to final validation and submission.

• Pay Outstanding Tax: Clear any remaining tax liability before submitting the return to avoid future notices.

Step 7: E-Verify ITR

• Verification Completion: Verify your return within 30 days using Aadhaar OTP, EVC, net banking, or ITR-V.

Also Read: What is ITR-1 and ITR-4?

How to file ITR Offline?

Some taxpayers may prefer to use the ITR offline utility provided by the Income Tax Department. The process is as follows:

Step 1: Download the Utility

• Utility Installation: Download and install the common offline utility from the Income Tax e-Filing portal.

Step 2: Start Filing Return

• Return Initiation: Open the utility and select the File Return option to begin filing.

Step 3: Download Pre-Filled Data

• Pre-Fill Information: Choose Download Pre-fill and fetch available tax information using your PAN details.

Step 4: Enter PAN and Assessment Year

• Basic Details Entry: Provide PAN and relevant assessment year information before proceeding with filing.

Step 5: Login Through Utility

• Authentication Process: Sign in using your income tax portal credentials within the offline utility.

Step 6: Select Filing Option

• Return Selection: Verify displayed details and choose the File Return option for further processing.

Step 7: Choose Taxpayer Status

• Status Selection: Select Individual, HUF, or other category according to your taxpayer classification.

Step 8: Select Appropriate ITR Form

• Form Identification: Choose the correct ITR form based on income sources and filing requirements.

Step 9: Fill in Personal Information

• General Information Entry: Enter address, contact details, and verify bank account information carefully.

Step 10: Enter Income Details

• Income Disclosure: Report all income sources and add earnings not automatically fetched from records.

Step 11: Validate and Generate JSON

• Data Validation: Review tax details, validate information, provide a declaration, and generate the JSON file.

Step 12: Upload JSON File

• Return Upload: Log in to the portal, select File Now, and upload the generated JSON file.

Step 13: Complete Verification

• Final Authentication: Verify the uploaded return using the available e-verification methods to complete filing

When is ITR Filing Mandatory?

ITR for individuals is mandatory if their income exceeds the basic exemption limit. Apart from this, filing becomes compulsory under the following conditions:

• Foreign Travel Spending:

Annual expenditure exceeding Rs. 2 lakh on foreign travel makes ITR filing mandatory.

• Electricity Usage Threshold:

Electricity consumption expenses of Rs. 1 lakh or more may require mandatory ITR filing.

• Current Account Deposits:

Deposits exceeding Rs. 1 crore in current accounts trigger mandatory filing requirements.

• Business Income Limit:

Business receipts exceeding Rs. 60 lakh require taxpayers to file an Income Tax Return.

• Professional Income Limit:

Professional receipts exceeding Rs. 10 lakh make ITR filing compulsory under tax regulations.

• Tax Deduction Threshold:

Combined TDS and TCS exceeding Rs. 25,000 may require mandatory ITR filing.

• Foreign Asset Disclosure:

Residents holding foreign assets or accounts must compulsorily file ITR.

• Accurate Expense Disclosure:

Taxpayers filing due to specified expenses must report exact expenditure amounts correctly.

Common Mistakes To Avoid While Filing ITR

Here are some common mistakes to avoid while filing Income Tax Return:

• Incorrect ITR Form selection:

Choosing the wrong ITR form may cause defective returns, notices, refund delays, and compliance issues.

• Choosing the wrong Assessment Year:

Filing income under the wrong assessment year may lead to inaccurate tax calculations and filing errors.

• Claiming unsupported deductions:

Taxpayers should claim deductions only when valid supporting documents and evidence are available.

• Not E-verifying the return:

Failure to e-verify within 30 days makes the filed return legally invalid.