Income Tax

Income Tax in India

New-regime slabs, every form and deadline, and the Income Tax Act 2025 — in plain English. No jargon. No fine print.

The Income Tax Act 2025 is the law that decides how much income tax you pay in India. It came into force on 1 April 2026 and applies from tax year 2026-27 onwards. The new tax regime is the default for all taxpayers. This hub explains the Act section by section, the slab rates for 2026-27, how to file your ITR, how advance tax works, and where to find every form you need — all verified against the Income Tax Department's own guidance at incometax.gov.in.

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Income Tax Act Hub

536 sections · 16 schedules · In force 1 Apr 2026

The Income Tax Act 2025 in plain English — what replaced the old law on 1 April 2026, and how the new regime works.

Income Tax Rules 2026

Rules 2026 · Circulars · Notifications

The Income-tax Rules, 2026, notifications, and circulars that show how the Income Tax Act 2025 works in practice.

Forms & Returns

ITR-1 to ITR-7 · Form 16 · 26AS · AIS

ITR-1 through ITR-7, Form 16, Form 16A, 26AS, AIS, and every tax form with step-by-step filing guidance.

Free calculators

Income Tax Calculator

Estimate your income tax under the new regime (Income Tax Act 2025) for FY 2026-27. Enter your annual income to see your slab-wise tax, Rebate 87A, and cess.

TDS Calculator

Calculate Tax Deducted at Source on salary, interest, dividends, or professional income. See your TDS amount and net income after deduction.

GST Calculator

Calculate GST (CGST + SGST or IGST) on any amount using the latest rates — 0%, 5%, 18%, or 40%. See the tax breakdown and total amount inclusive of GST.

Advance Tax Calculator

Estimate your advance tax liability for FY 2026-27 under the Income Tax Act 2025. Calculate how much tax to pay in each quarterly installment based on your estimated annual income.

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Frequently asked questions

What changed with the Income Tax Act 2025?

The Income Tax Act 2025 came into Force on 1 April 2026 and applies from tax year 2026-27 onwards. It has 536 sections and 16 schedules. The wording is plainer, and the new tax regime is the default for all taxpayers.

What is Form 16 and why does it matter?

Form 16 is a TDS certificate your employer issues showing your salary, deductions, and the tax deducted and deposited on your behalf. It has two parts: Part A (TDS details) and Part B (salary breakup). You need it to file your ITR.

What are the new regime slabs for tax year 2026-27?

Under the new regime: up to ₹4 lakh — nil, ₹4–8 lakh — 5%, ₹8–12 lakh — 10%, ₹12–16 lakh — 15%, ₹16–20 lakh — 20%, ₹20–24 lakh — 25%, above ₹24 lakh — 30%. Rates verified 7 October 2026 against the Income Tax Department's tax-rates page.

Still have a tax question?

The FAQ page answers common questions on income tax, Form 16, ITR filing, advance tax, and more — in plain English.

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Sources

Income Tax Department — Tax Rates (incometax.gov.in) — new-regime slab rates for FY 2026-27 (verified 7 October 2026)
Income Tax Department at incometax.gov.in — new-act guidance (verified 7 October 2026)
Income Tax Act 2025 — full text at incometax.gov.in (verified 7 October 2026)

Last reviewed 7 October 2026 · by FinWiz24 Research Desk · Review methodology

Introduction