Income-tax Act, 2025 — every section, mapped to the 1961 Act

The Income-tax Act, 2025 replaces the Income-tax Act, 1961 with 553 sections across 24 chapters. Below is every section of the new Act — click any section for the corresponding 1961 provision, the official CBDT clause-by-clause correspondence, and both bare texts side by side. Source: the CBDT’s official correspondence table (captured 2026-07-21).

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Chapter I - Preliminary

Chapter II - Basis Of Charge

Chapter III - Incomes Which Do Not Form Part Of Total Income

Chapter IV - Computation Of Total Income

Chapter V - Income Of Other Persons Included In Total Income Of Assessee

Chapter VI - Aggregation Of Income

Chapter VII - Set Off Or Carry Forward And Set Off Of Losses

Chapter VIII - Deductions To Be Made In Computing Total Income

Chapter IX - Rebates And Reliefs

Chapter X - Special Provisions Relating To Avoidance Of Tax

Chapter XI - General Anti-Avoidance Rule

Chapter XII - Mode Of Payment In Certain Cases Etc.

Chapter XIII - Determination Of Tax In Special Cases

Chapter XIV - Tax Administration

Chapter XV - Return Of Income

Chapter XVI - Procedure For Assessment

Chapter XVII - Special Provisions Relating To Certain Persons

Chapter XVIII - Appeals Revisions And Alternate Dispute Resolutions

Chapter XIX - Collection And Recovery Of Tax

Chapter XX - Refunds

Chapter XXI - Penalties

Chapter XXII - Offences And Prosecutions

Chapter XXIII - Miscellaneous

Schedule

This index is a research aid built by Nexus — the AI research platform for Indian CA firms. Verify against the official CBDT utility before professional reliance. Looking up a 1961 section instead? Use the 1961 ↔ 2025 crosswalk.

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