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Case law › Section 30

Section 30

Authorities that bear on section 30 of the Income-tax Act, 1961. Each one tells you what it decided and what to do if it applies to you.

The Income-tax Act, 1961 was repealed on 1 April 2026. It still governs income earned up to 31 March 2026, and every proceeding about those years however late — assessment, reassessment, rectification, penalty, revision and appeal alike. Income earned from 1 April 2026 is governed by the Income-tax Act, 2025. What changed, and which Act governs your year →

Section 30 — the law in short

What the courts have decided on section 30, in one screen. Read this first; open an entry when you need the facts, the reasoning and the source.

Listed strongest first: Supreme Court, then High Court, then Tribunal, then CBDT. Nothing here has yet been read in full by a chartered accountant — open an entry to see where it came from.

Section 30 — 2 entries

Explained in this library

What section 30 does, in plain English, before you read what the courts made of it.

Fitting out premises you do not own

I am a tenant and I have spent on partitions, flooring, wiring and a false ceiling. Do I depreciate it, or deduct it?

section 37(1): capital expenditure versus revenue expenditure

The officer has disallowed my spend under section 37(1) saying it is capital. Where is the line between capital and revenue actually drawn, and what do I have to show to get the deduction?

When a repair bill stops being a repair

How do I tell whether what I spent on my premises or plant is deductible as repairs or has to be capitalised?