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The proposed Income-tax Act, 2025 substantially reorganises and renumbers provisions of the Income-tax Act, 1961. While the core concepts remain largely similar, section numbers and chapter structures have changed significantly.

Preliminary & Basic Charging Provisions

Income-tax Act, 1961 Name of Section Income-tax Act, 2025
Section 1 Short title and commencement Section 1
Section 2 Definitions Section 2
Section 3 Previous Year Defined Section 3 – Tax Year
Section 4 Charge of Income-tax Section 4
Section 5 Scope of Total Income Section 5
Section 6 Residence in India Section 6
Section 7 Income deemed to be received Section 7
Section 9 Income deemed to accrue or arise in India Section 9
Section 5A Apportionment between spouses Section 10

Exemptions & Trusts

Income-tax Act, 1961 Name of Section Income-tax Act, 2025
Section 10 Exempt Incomes Sections 11 & Schedules II–VII
Section 11 Charitable/Religious Trust Income Sections 350–352
Section 12 Voluntary Contributions Sections 350–352
Section 12AB Registration of Trusts Section 332
Section 13 Cases where exemption denied Section 352
Section 13A Political Party Income Section 12

Five Heads of Income

Income Head 1961 Act Sections 2025 Act Sections
Salaries Sections 15–17 Sections 15–19
House Property Sections 22–27 Sections 20–25
Business or Profession Sections 28–44 Sections 26–66
Capital Gains Sections 45–55 Sections 67–91
Other Sources Sections 56–59 Sections 92–95

Clubbing, Set-off & Aggregation

Income-tax Act, 1961 Subject Income-tax Act, 2025
Sections 60–65 Clubbing of Income Sections 96–100
Sections 66–69D Aggregation/Unexplained Income Sections 101–107
Sections 70–80 Set-off & Carry Forward Sections 108–121

Deductions & Rebates

Income-tax Act, 1961 Subject Income-tax Act, 2025
Sections 80C–80U Chapter VI-A Deductions Sections 122–154
Section 80C Investment Deduction Section 123
Section 80D Medical Insurance Renumbered
Section 80CCD Pension Contribution Renumbered
Section 80G Donations Renumbered
Section 87A Rebate Sections 155–158
Section 89 Salary Relief Sections 155–158

International Taxation & Anti-Avoidance

Income-tax Act, 1961 Subject Income-tax Act, 2025
Sections 90–91 DTAA Relief Sections 159–160
Sections 92–94B Transfer Pricing Sections 161–177
Sections 95–102 GAAR Sections 178–184

MAT, AMT & Special Tax Regimes

Income-tax Act, 1961 Subject Income-tax Act, 2025
Section 115BAC New Tax Regime Sections 199–205
Section 115JB MAT Section 206
Section 115JC AMT Section 206

Income-tax Authorities & Administration

Income-tax Act, 1961 Subject Income-tax Act, 2025
Sections 116 onwards Income-tax Authorities Sections 236–261
Section 119 CBDT Instructions Included in Administrative Provisions
Section 132 Search & Seizure Reorganised
Section 133A Survey Reorganised
Faceless Assessment Provisions Introduced by amendments Section 532

Return Filing & Assessment

Income-tax Act, 1961 Subject Income-tax Act, 2025
Section 139 Return of Income Sections 262–267
Section 140A Self-assessment Tax Reorganised
Section 143 Assessment Sections 268–301
Section 144 Best Judgment Assessment Reorganised
Section 147 Income Escaping Assessment Reorganised
Section 148 Reassessment Notice Reorganised

Appeals & Revision

Income-tax Act, 1961 Subject Income-tax Act, 2025
Section 246A Appeals before CIT(A) Sections 356–360
Section 253 Appeal to ITAT Sections 361–364
Section 260A Appeal to High Court Sections 365–368
Section 263 Revision prejudicial to revenue Section 377
Section 264 Revision in favour of assessee Section 378

TDS & TCS Mapping

Income-tax Act, 1961 Nature Income-tax Act, 2025
Section 192 Salary TDS Section 392
Section 194A Interest Section 393
Section 194C Contractor Payments Section 393
Section 194H Commission/Brokerage Section 393
Section 194-I Rent Section 393
Section 194J Professional Fees Section 393
Section 194Q Purchase of Goods Section 393
Section 194R Benefit/Perquisite Section 393
Section 194S Virtual Digital Assets Section 393
Section 206C TCS Consolidated

Refunds, Penalties & Prosecution

Income-tax Act, 1961 Subject Income-tax Act, 2025
Section 237 onwards Refunds Sections 431–438
Section 270A Under-reporting Penalty Reorganised
Section 271 Series Penalties Sections 439–498
Section 276C Wilful Tax Evasion Reorganised

Major Structural Changes

Particulars 1961 Act 2025 Act
Total Sections Around 819 Around 536
Total Chapters 47 23
Terminology Previous Year & Assessment Year Tax Year
Compliance Model Traditional Digital & Faceless
Drafting Style Complex Simplified