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Tax 2026-06-15 10 min read CalcBit Editorial Team

Income Tax Return (ITR) Filing Guide 2025-26: Step-by-Step Process

Complete guide to filing Income Tax Return for FY 2025-26. Learn about ITR forms, due dates, deductions, and how to file online with our tax calculator.

Filing your Income Tax Return (ITR) is an annual responsibility for every Indian taxpayer. This guide walks you through the entire process.

Who Must File ITR?

  • Individuals with gross income exceeding ₹2.5 lakh (₹3 lakh for senior citizens, ₹5 lakh for super senior citizens)
  • Those who want to claim income tax refund
  • Those with assets outside India
  • Companies and firms regardless of income

ITR Forms for FY 2025-26

ITR-1 (Sahaj): For salaried individuals with income up to ₹50 lakh

ITR-2: For individuals with capital gains, multiple properties, or foreign assets

ITR-3: For business/profession income

ITR-4 (Sugam): For presumptive business income (44AD, 44ADA)

Due Dates for FY 2025-26

July 31, 2026: For individuals and HUF (no audit required)

October 31, 2026: For audit cases

November 30, 2026: For transfer pricing cases

December 31, 2026: Belated return (with late fee)

Late Filing Consequences

  • Late fee under Section 234F: ₹1,000 (if income < ₹5 lakh) or ₹5,000 (if income > ₹5 lakh)
  • Interest under Section 234A: 1% per month on tax due
  • Cannot carry forward certain losses

Step-by-Step ITR Filing

1. Gather documents: Form 16, bank statements, investment proofs, rent receipts

2. Calculate tax: Use our Income Tax Calculator

3. Choose regime: Compare New vs Old regime using our calculator

4. Download ITR form: From incometax.gov.in

5. Fill details: Income, deductions, tax paid (TDS/advance tax)

6. Verify: Check all calculations match Form 26AS

7. Submit & verify: E-verify through Aadhaar OTP, net banking, or send signed ITR-V

Use our Income Tax Calculator before filing to ensure accurate tax calculation. Check your TDS with our TDS Calculator.

Common Deductions to Claim

80C: PPF, EPF, ELSS, life insurance, tax-saving FDs — up to ₹1.5 lakh

80D: Health insurance — up to ₹25,000 (₹50,000 for seniors)

24(b): Home loan interest — up to ₹2 lakh

80G: Donations to approved charities

80E: Education loan interest (no upper limit)

Documents Checklist

Plan your taxes better with our Income Tax Calculator and Salary Calculator.

Tags

ITRincome tax returntax filingTDSincome tax Indiatax deductionsSection 80C
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Written by

CalcBit Editorial Team