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Case law › Supreme Court › Alembic Chemical Works Co Ltd v CIT
Supreme CourtHelps taxpayers.37s.37(1)s.256(1)s.256(2)s.34 (Act of 2025)

Alembic Chemical Works Co Ltd v CIT

I paid a foreign firm a lump sum for technical know-how that raised the yield of a product I was already making. The Assessing Officer says section 37(1) is shut because I bought an asset of enduring benefit. Is the payment capital?

The Income-tax Act, 1961 was repealed on 1 April 2026.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 →

I paid a foreign firm a lump sum for technical know-how that raised the yield of a product I was already making. The Assessing Officer says section 37(1) is shut because I bought an asset of enduring benefit. Is the payment capital?

Not on these facts. The Supreme Court held that the outlay was for the better conduct and improvement of the existing business and was therefore revenue. It reached that by refusing to treat the once-for-all payment and the enduring benefit as decisive: those ideas are not statutory conditions, there is no single definitive criterion, and what matters is the purpose of the outlay and its intended object and effect, judged in a common-sense way with regard to business realities. In a fast-moving field the know-how itself may lack the durability an enduring capital asset needs.

Decided by the Supreme Court (Supreme Court of India - M.N. Venkatachaliah J, with R.S. Pathak CJ on the Bench) on 1989-03-31, reported as [1989] 177 ITR 377 (SC); Civil Appeal No. 43 (NT) of 1975, with the supplementary reference arising out of ITA No. 24 of 1971. It bears on section 37, section 37(1), section 256(1), section 256(2), section 34 (Act of 2025) of the Income Tax Act 1961, in Deductions & Disallowances and How Tax Law Is Read matters.

Still good law. The decision stands and the passage about the once-for-all payment and the enduring benefit is one of the most quoted in Indian tax law: eighty-eight later court and Tribunal documents carry the sentence about the judicial fetish. The Supreme Court itself set the passage out at length eight years later in Jonas Woodhead and Sons (India) Ltd. v Commissioner of Income Tax, decided 11 February 1997, and High Courts have reproduced it repeatedly - the Kerala High Court in Vanaja Textiles on 29 October 1993, the Gujarat High Court in Deepak Nitrite on 23 June 1998 and in Gujarat Carbon on 5 December 2001, the Madras High Court in Janakiram Mills on 29 April 2005, the Allahabad High Court in Prem Heavy Engineering Works on 9 August 2005. What has to be watched is the pull between this case and Jonas Woodhead, and it is not a conflict. Alembic decides that a payment for know-how which improves an existing line of production is revenue, because the product stayed the same, the existing plant stayed relevant, and the know-how in that field lacks the durability of a capital asset. Jonas Woodhead decides that where the foreign firm not only supplied know-how but designed and set up the factory for a new business, and the assessee could go on manufacturing after the agreement ended, part of the payment is capital - and it says so while applying Alembic's own reasoning. The two together give the question its shape: same business improved, or new business established. There is a statutory overlay this judgment could not have. Section 35AB, giving a spread deduction for lump sum consideration for know-how, was inserted with effect from 1 April 1986 and ceased to apply to expenditure incurred after 31 March 1998, after which know-how went into the intangible-asset block for depreciation. This case concerns assessment year 1964-65 and says nothing about either regime, so a modern claim has to be located in the law of its own year first. The Income-tax Act, 1961 was repealed on 1 April 2026 by section 536(1) of the Income-tax Act, 2025, and section 536(2)(c) continues it for proceedings about tax years beginning before that date. The general deduction is now section 34 of the 2025 Act.

Why it matters

Every capital-or-revenue argument about a payment for technology, process improvement, software, designs or a collaboration agreement runs into the enduring-benefit test, and this is the judgment that tells a practitioner how much weight that test can bear. Its value is in two parts. The first is the method: the Court sets out seven formulations from three jurisdictions and shows that they do not agree, and then says in terms that they are useful servants but over-exacting masters, that no single criterion is determinative and that the once-for-all test is inconclusive. That is the answer to an officer who treats a lump sum as capital because it was paid once. The second is the factual test the case actually supplies, and it is narrower and more useful than the quotations: was the outlay for the better conduct and improvement of a business already being carried on, or did it bring a new venture into existence? The Court answered that on three things - the same product before and after, an existing plant that remained relevant, and contractual terms that gave a right to use rather than an exclusive acquisition. Those are the three matters to put on the file. Read together with Jonas Woodhead, which applies the same reasoning and reaches the opposite result on facts where the foreign firm built the factory, the pair marks out both sides of the line.

Binding on every court and authority in India.

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Related

Other authorities on the same sections.
Every authority on the provisions this decision turns on: all 75 on s.37(1) · all 31 on s.256(1) · all 10 on s.256(2)