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Case law › Section 43(1)

Section 43(1)

Authorities that bear on section 43(1) 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The Income-tax Act, 1961 was repealed on 1 April 2026.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 43(1) — the law in short

What the courts have decided on section 43(1), 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 43(1) — 13 entries

Worked examples

Notice situations in which section 43(1) does the work, taken from the first line to the last. Each step carries the authority that licenses it.
A machine that reached the factory in March and ran in May, a generator that never ran, and a godown bought without a registered deed The officer has knocked out my depreciation because the assets were not put to use in the year - which of those heads can I actually save, and what does the block of assets do for me? 8 steps · 19 authorities · s.32, s.32(1), s.32(1)(iia), s.32(2) Rs 1,42,70,000 of interest disallowed across six heads, from a sister-concern advance to a line that was not commissioned The officer has disallowed my interest because the money went to a group company, to a director and into a plant that was not running - how much of that is actually sustainable, and does it matter that my own funds are four times the advances? 8 steps · 23 authorities · s.36(1)(iii), s.37(1), s.14A, Rule 8D

Explained in this library

What section 43(1) does, in plain English, before you read what the courts made of it.

s.47(xiv) and s.47(xiii): moving a proprietorship or a firm into a company, and the five-year leash

I want to incorporate my proprietorship or my firm. Is there a capital gains charge on the assets that go into the company?