Section 50 Income Tax Act: Capital Gains on Depreciable Assets

What did Section 50 of the Income Tax Act provide?

Section 50 was a special computation provision for a capital asset forming part of a block of assets in respect of which depreciation had been allowed. It operated notwithstanding the general holding-period rule in Section 2(42A) and modified the ordinary computation rules in Sections 48 and 49.

The practical result was that a gain determined under this special block-of-assets mechanism was deemed to arise from the transfer of short-term capital assets, even where an individual asset had been held for a longer period.

Important definitions and connected provisions

Block of assets

Under Section 2(11) of the 1961 Act, a block of assets broadly meant a group of tangible or specified intangible assets within a class carrying the same prescribed rate of depreciation. Tangible assets included buildings, machinery, plant and furniture. Specified intangible assets included know-how, patents, copyrights, trademarks, licences, franchises and similar business or commercial rights. Goodwill was excluded from the definition under the later law.

Depreciation

Section 32 of the 1961 Act governed depreciation on eligible business or professional assets. Section 50 became relevant where the transferred capital asset formed part of a block on which depreciation had been allowed.

Written down value

Written down value, commonly called WDV, is the tax value of the relevant asset or block after the adjustments prescribed by the Act. For Section 50 computation, the opening WDV of the block is a central figure.

How capital gain was computed under Section 50

Where the total consideration from transfer of one or more assets in the block during the previous year exceeded the aggregate of the following amounts, the excess was deemed to be short-term capital gain:

1. expenditure incurred wholly and exclusively in connection with the transfer or transfers;
2. the written down value of the block at the beginning of the previous year; and
3. the actual cost of assets falling within the same block and acquired during the previous year.

The formula should be applied with the statutory block-of-assets rules and other applicable provisions. It should not be treated as a substitute for the complete computation required by the Act and Rules.

What happens when the entire block is transferred?

Where all assets in a block are transferred and the block consequently ceases to exist, Section 50 separately dealt with the cost of acquisition and the resulting capital gain. The opening WDV, increased by the actual cost of assets added to that block during the year, formed the statutory cost base for this purpose.

If the block ceases to exist and the transfer computation produces a gain under the provision, that gain is treated as short-term capital gain. Depending on the figures, the block computation may also result in a capital loss under the applicable law.

Illustrative computation

This example is simplified for explanation. Actual tax computation can require further statutory adjustments depending on the facts, timing, nature of assets and applicable tax year.

Goodwill and Section 50

Goodwill of a business or profession ceased to be a depreciable asset under the amended 1961 Act. Section 50 nevertheless contained a specific proviso and explanation dealing with historical cases where goodwill had formed part of a block and depreciation had previously been obtained. Such legacy adjustments were linked to the prescribed manner of determining WDV and short-term capital gain.

Corresponding provision from 1 April 2026: Section 74 of the Income-tax Act, 2025

The Income-tax Act, 2025 came into force on 1 April 2026. The special rule for capital gains on depreciable assets is now contained in Section 74. It continues the central block-of-assets approach: where depreciation has been allowed and consideration from transfer of assets in the block exceeds the relevant transfer expenditure, opening WDV and cost of additions, the excess is deemed to be capital gain arising from short-term capital assets.

Section 74 also addresses the situation where all assets in a block are transferred and the block ceases to exist. For current transactions, readers should use the 2025 Act, the Income-tax Rules, 2026 and applicable transition provisions rather than relying only on the repealed Section 50 numbering.

Text and purpose of the legacy Section 50 rule

Frequently asked questions

Is gain on a depreciable asset always treated as short-term under this special rule?

Where the special provision applies and a gain is computed under it, the gain is deemed to arise from short-term capital assets. The individual asset's long period of ownership does not by itself convert that statutory gain into long-term capital gain.

Does Section 50 apply merely because an asset is capable of depreciation?

The statutory language is tied to an asset forming part of a block in respect of which depreciation has been allowed. The actual facts and tax history of the block therefore matter.

What section applies now?

For the Income-tax Act, 2025 regime in force from 1 April 2026, the corresponding provision is Section 74. Section 50 remains important for matters governed by the 1961 Act and for understanding the legislative continuity.