The Income Tax Act, 2025 — passed by Parliament and set to replace the 64-year-old Income Tax Act, 1961 from 1st April 2026 — is the most sweeping reform of India's direct tax law in over six decades. If you pay income tax in India, file ITRs, or run a business, this affects you directly.
The Income Tax Act, 1961 had grown to over 900 sections with thousands of provisos, explanations, and sub-clauses added over 60+ years. The result was a law that was notoriously difficult to read, interpret, and comply with — even for tax professionals. Key issues that prompted the replacement include overlapping and redundant provisions, outdated language that didn't reflect modern financial instruments, an exponential increase in litigation due to ambiguous drafting, and difficulty in adapting the 1961 Act to the digital economy, crypto assets, and global tax cooperation.
The new Act's stated goal is to simplify — not to significantly change the overall tax burden. Most existing rates, deductions, and exemptions are preserved, but reorganised and rewritten in cleaner, more logical language.
The most visible change in the new Act is its structural overhaul. The confusing "previous year" and "assessment year" terminology is replaced with a single unified concept: Tax Year. This alone eliminates one of the most common sources of confusion for taxpayers filing returns.
Complex textual provisions are now replaced with formulae and tables wherever possible. For example, TDS rate tables, depreciation schedules, and computation of income from house property are now expressed as clean formulas rather than multi-layered text provisions. Judicial interpretations that had become well-settled are now codified directly into the Act to reduce litigation.
| Old Term (1961 Act) | New Term (2025 Act) |
|---|---|
| Previous Year | Tax Year |
| Assessment Year | Tax Year + 1 (implied in filing) |
| Person (S.2(31)) | Taxpayer (simplified definition) |
| Textual provisos in paragraphs | Tables and formulae |
| Cross-referencing across hundreds of sections | Self-contained chapters |
The new Act does not significantly change tax rates. The new tax regime (introduced in Budget 2020 and made the default in Budget 2023) continues as the primary tax regime. The old tax regime with deductions continues as an opt-in alternative for those who benefit from it.
| Income Range | Tax Rate |
|---|---|
| Up to ₹4,00,000 | Nil |
| ₹4,00,001 – ₹8,00,000 | 5% |
| ₹8,00,001 – ₹12,00,000 | 10% |
| ₹12,00,001 – ₹16,00,000 | 15% |
| ₹16,00,001 – ₹20,00,000 | 20% |
| ₹20,00,001 – ₹24,00,000 | 25% |
| Above ₹24,00,000 | 30% |
Under the new Act, income up to ₹12 lakh is effectively tax-free due to the rebate under Section 87A (rebate of ₹60,000) for individuals. This was a Budget 2025 announcement retained in the new Act.
This is the question on every salaried taxpayer's mind. The answer depends on which regime you choose:
| Deduction / Exemption | New Regime (Default) | Old Regime (Opt-in) |
|---|---|---|
| Section 80C (LIC, PPF, ELSS, etc.) | ❌ Not available | ✅ Up to ₹1.5 lakh |
| Section 80D (Health Insurance) | ❌ Not available | ✅ Up to ₹25,000–₹1 lakh |
| HRA Exemption | ❌ Not available | ✅ Available |
| Home Loan Interest (Sec 24b) | ❌ Not available | ✅ Up to ₹2 lakh |
| Standard Deduction (Salary) | ✅ ₹75,000 | ✅ ₹50,000 |
| NPS Employer Contribution (80CCD(2)) | ✅ Available | ✅ Available |
| Gratuity, Leave Encashment | ✅ Fully exempt | ✅ Fully exempt |
For companies and partnerships, the new Act reorganises corporate tax provisions but largely retains existing rates. The base corporate tax rate for domestic companies remains at 22% (plus surcharge and cess), with the concessional rate of 15% for new manufacturing companies still available. The Minimum Alternate Tax (MAT) provisions are retained but simplified.
Transfer pricing provisions — a major source of litigation — have been significantly restructured under the new Act. The dispute resolution mechanisms have been enhanced, including an expanded role for Advance Pricing Agreements (APAs) and improved timelines for dispute resolution. The Safe Harbour rules for transfer pricing are now codified more clearly.
Start-ups get several important updates under the new Act. The tax holiday under Section 80-IAC has been extended — eligible start-ups incorporated on or before 1st April 2030 (extended from 2025) can claim a 100% deduction on profits for 3 out of 10 years from incorporation.
The updated return facility (previously ITR-U) is now available for 48 months instead of 24 months, giving start-ups more time to correct tax filings. ESOP taxation provisions remain unchanged — perquisite at exercise, capital gains at sale — but are now written more clearly. Angel tax under Section 56(2)(viib) stands abolished as of April 1, 2025, and this position is incorporated into the new Act's framework.
The Income Tax Act, 2025 comes into force on 1st April 2026 (applicable from Tax Year 2026-27 i.e. financial year beginning April 1, 2026). This means Tax Year 2025-26 (April 2025 – March 2026) will still be governed by the Income Tax Act, 1961. The ITR for Tax Year 2025-26 that you file in July 2026 will be the last return under the old Act.
Section numbers will change entirely in the new Act. If your tax planning documents, employment contracts, or shareholder agreements refer to specific sections of the Income Tax Act, 1961 (e.g. "subject to Section 10(14) of the Income Tax Act"), these will need to be updated to reference the new Act's equivalent provisions.
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