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Case law › Section 37(1)

Section 37(1)

Authorities that bear on section 37(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The Income-tax Act, 1961 was repealed on 1 April 2026.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 37(1) — the law in short

What the courts have decided on section 37(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 37(1) — 75 entries

Worked examples

Notice situations in which section 37(1) does the work, taken from the first line to the last. Each step carries the authority that licenses it.
A s.43B(h) disallowance of Rs 1,62,00,000 where half the Udyam-registered suppliers are traders The Assessing Officer has disallowed everything I still owed to Udyam-registered suppliers at the year end under s.43B(h) - which of those suppliers actually count, and when do I get the deduction back? 8 steps · 27 authorities · s.43B(h), s.43B, s.43B first proviso, s.143(3) Rs 1,42,00,000 written off in four parcels, disallowed as a provision, and added back to book profit as well The officer says I have not proved the debts went bad, that crediting a provision account is not a write-off, and that two of the parcels fail s.36(2) - which of those can I answer, and what is left if s.36(2) really does fail? 8 steps · 17 authorities · s.36(1)(vii), s.36(2), s.36(2)(i), s.37(1) 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 The purchases are called accommodation entries, the whole invoice value is proposed, and a penalty of the same amount alongside The notice wants to add my entire Rs 3.42 crore of purchases, not the profit in them, and there is a separate penalty show-cause for the same figure. The supplier's statement has not been given to me and the goods are in my stock register. Where do I start? 7 steps · 19 authorities · s.69C, s.37(1), s.115BBE, s.271AAD

Explained in this library

What section 37(1) does, in plain English, before you read what the courts made of it.

A provision for gratuity is not deductible because an actuary certified it

Our actuary has certified the gratuity liability and we have provided for it in the accounts. Is that provision allowable?

AMP expenditure: when your advertising budget becomes a transfer pricing adjustment

The TPO has added my excess advertising spend as a service to my foreign parent's brand. Where does that argument actually stand?

Bogus purchases: when it is the profit element and when it is the whole invoice

My purchases have been called bogus. Is the addition the whole amount or only the profit in it, and how is the percentage fixed?

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?

Forex gains and losses: s.43A for the imported asset, s.43AA for everything else

My client imports, and has an external commercial borrowing. The rupee moved. What is taxable, what is deductible, and what has to be capitalised?

Keyman insurance: the premium, the maturity money, and the assignment that no longer works

We pay the premium on a keyman policy on our director's life. Is it deductible, is the maturity money taxable, and does assigning the policy to him before maturity make it tax free?

Liquidated damages: compensatory is deductible, penal is not, and the label does not decide it

I paid liquidated damages for late delivery and the AO disallowed it as a penalty. What is the actual test?

Losses the business suffers, as against expenses it pays

Money was stolen, embezzled or lost in the business and there is no clause in the Act that covers it. Can I still deduct it?

s.35D: writing off preliminary expenditure in five slices, and the ceiling that decides how big each slice is

Can I write off my incorporation and project expenses, and how much of them actually survives the 5% ceiling?

s.35DD: the cost of the merger, in five equal slices

We have paid lawyers, valuers, the NCLT and stamp duty on our merger. Can any of it be deducted?

s.36(1)(iii): interest you borrowed to earn, and the advance that was not

The officer has disallowed part of my interest because I gave an interest-free advance. On what basis can he do that?

s.40(b): what a firm may pay its partners and still deduct

The officer has disallowed the remuneration and interest we pay our partners. What does s.40(b) actually require?

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?

sections 35ABB and 35ABA: the telecom licence fee and the spectrum fee

I run a telecom company. I have been paying the annual licence fee to the Department of Telecommunications as a share of my revenue and claiming it as a business expense. The assessing officer says the Supreme Court has held it is capital and must be spread over the life of the licence. Is that right, and what do I do about the years already assessed?

The false-entry penalty is measured by the invoice, so cutting the addition does not cut it

The addition has been reduced to a profit element on appeal. Does the s.271AAD penalty come down with it?

The input-credit file and the assessment: neither binds the other, and both are evidence in the other

The same purchases are under an input-credit reversal in GST and a s.69C addition in income tax. Does a finding in one settle the other?

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?

Which deeming section the officer picked, and why it decides the case

The addition has been made under s.69A. Should it have been s.68, or s.37(1), and does it make any difference now?