Learn Taxes for the Indian Income Tax Calculator

Learn the basics that power our Indian income tax calculator for FY 2025 — new vs old regime, Section 87A rebate, surcharge, cess, and filing steps. When you’re ready, use the income tax calculator.

New vs Old Regime (quick reference)

  • New regime: 0–3L 0%, 3–7L 5%, 7–10L 10%, >10L 15%. 87A rebate up to 7L for residents.
  • Old regime: Basic exemption depends on age (2.5L/3L/5L), then 5%/20%/30%. 87A rebate up to 5L for residents.
  • Many deductions not available in new regime; standard deduction may apply.

Filing checklist

  1. Verify PAN and link with Aadhaar if required.
  2. Check AIS/TIS and Form 26AS.
  3. Estimate tax; pay advance or self‑assessment tax.
  4. Choose the right ITR form and file before the due date.
  5. e‑Verify the return and keep proofs.

Special rates

  • STCG u/s 111A: 15%
  • LTCG u/s 112A: 10% after ₹1,00,000 exemption
  • Lottery/Winnings: 30%