ITR-1 Filing: Mandatory Information Guide

Mandatory Details in ITR-1 (Sahaj) – Complete Guide for AY 2026-27

Introduction

ITR-1 (Sahaj) is one of the most commonly used Income Tax Return forms for salaried individuals and pensioners in India. Although the form is simple, many taxpayers make mistakes while filing the return due to incorrect disclosures or missing mandatory details.

Providing accurate information in ITR-1 is important to avoid notices, defective returns, refund delays, and verification issues.

Important Mandatory Details in ITR-1

1. Personal Information

Taxpayers must correctly mention:

• Full Name
• PAN Number
• Aadhaar Number
• Date of Birth
• Mobile Number
• Email ID
• Residential Address

Incorrect PAN or Aadhaar details may lead to return rejection or processing delays.

2. Bank Account Details

Providing bank account information is mandatory for refund processing.

Required details include:

• Bank Name
• Account Number
• IFSC Code
• Account Type
• Pre-validated bank account

Incorrect bank details can delay income tax refunds.

3. Salary Income Details

Salary income should be reported exactly as per Form 16.

The taxpayer must disclose:

• Gross Salary
• Exempt Allowances
• Standard Deduction
• Professional Tax
• TDS Deducted by Employer

Mismatch between Form 16 and ITR may trigger scrutiny.

4. House Property Income

If the taxpayer owns one house property, details such as:

• Home Loan Interest
• Rental Income (if any)
• Municipal Taxes Paid

must be correctly reported.

5. Income from Other Sources

Taxpayers should also disclose:

• Savings Account Interest
• Fixed Deposit Interest
• Family Pension
• Other Interest Income

Interest income reflected in AIS and Form 26AS should match the ITR details.

6. Deduction Details

Eligible deductions under Chapter VI-A should be properly claimed, such as:

• Section 80C
• Section 80D
• Section 80TTA / 80TTB
• Section 80G
• Section 80CCD(1B)

Taxpayers should keep proper supporting documents for all deductions claimed.

7. Tax Payment Details

The following tax details must be verified carefully:

• TDS from Salary
• TDS from Bank Interest
• Advance Tax
• Self-Assessment Tax

These details should match Form 26AS and AIS records.

8. Tax Regime Selection

Taxpayers must choose between:

• Old Tax Regime
• New Tax Regime

Selecting the wrong regime may affect tax liability and deductions.

9. E-Verification of Return

After filing ITR-1, verification is compulsory through:

• Aadhaar OTP
• Net Banking
• Bank Account EVC

Without verification, the return is treated as invalid.

Common Mistakes While Filing ITR-1

• Mismatch with AIS or Form 26AS
• Incorrect bank account details
• Non-disclosure of interest income
• Wrong deduction claims
• Incorrect tax regime selection

Conclusion

ITR-1 filing may look simple, but taxpayers must ensure that all mandatory details are correctly disclosed. Proper verification of salary income, deductions, bank details, and tax credits helps avoid notices and ensures faster refund processing.

Careful and accurate filing of ITR-1 is essential for smooth income tax compliance.