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Income-tax Act, 1961 · Chapter IV: Computation of Total Income · E.—Capital gains

Section 48: Mode of computation

The Income-tax Act, 1961 was repealed by the Income-tax Act, 2025 from 1 April 2026. The text is kept here because the judgments below apply it.

In plain words

Capital gains are computed by deducting from the full value of consideration the expenses of the transfer and the cost of acquiring and improving the asset.

  • Only expenses incurred wholly and exclusively in connection with the transfer are allowed.
  • For long term capital assets, the indexed cost of acquisition and improvement is used in place of actual cost, to adjust for inflation.
  • Indexation does not apply to bonds and debentures, except capital indexed bonds issued by the Government and Sovereign Gold Bonds.
  • Non residents selling shares or debentures of an Indian company compute gains in the foreign currency they used to buy them.
  • Gains for a non resident from rupee appreciation on redemption of rupee denominated bonds are ignored.

A simplified explanation, prepared with AI assistance from the official text below and checked automatically against it for numbers and cross-references. The official text is the law and prevails over this summary. Not legal advice.

Official text

The income chargeable under the head —Capital gains‖ shall be computed, by deducting from the full value of the consideration received or accruing as a result of the transfer of the capital asset the following amounts, namely:—

(i) expenditure incurred wholly and exclusively in connection with such transfer;

(ii) the cost of acquisition of the asset and the cost of any improvement thereto:

Provided that in the case of an assessee, who is a non-resident, capital gains arising from the transfer of a capital asset being shares in, or debentures of, an Indian company shall be computed by converting the cost of acquisition, expenditure incurred wholly and exclusively in connection with such transfer and the full value of the consideration received or accruing as a result of the transfer of the capital asset into the same foreign currency as was initially utilised in the purchase of the shares or debentures, and the capital gains so computed in such foreign currency shall be reconverted into Indian currency, so, however, that the aforesaid manner of computation of capital gains shall be applicable in respect of capital gains accruing or arising from every reinvestment thereafter in, and sale of, shares in, or debentures of, an Indian company:

Provided further that where long-term capital gain arises from the transfer of a long-term capital asset, other than capital gain arising to a non-resident from the transfer of shares in, or debentures of, an Indian company referred to in the first proviso, the provisions of clause (ii) shall have effect as if for the words —cost of acquisition‖ and —cost of any improvement‖, the words —indexed cost of acquisition‖ and —indexed cost of any improvement‖ had respectively been substituted: [Provided also that nothing contained in the second proviso shall apply to the long-term capital gain arising from the transfer of a long-term capital asset being bond or debenture other than capital indexed bonds issued by the Government:] [Provided also that nothing contained in the second proviso shall apply to the long-term capital gain arising from the transfer of a long-term capital asset, being a bond or debenture other than—

(a) capital indexed bonds issued by the Government; or

(b) Sovereign Gold Bond issued by the Reserve Bank of India under the Sovereign Gold Bond Scheme, 2015:

Provided also that in case of an assessee being a non-resident, any gains arising on account of appreciation of rupee against a foreign currency at the time of redemption of rupee denominated bond of an Indian company [held] by him, shall be ignored for the purposes of computation of full value of consideration under this section:] [Provided also that where shares, debentures or warrants referred to in the proviso to clause (iii) of section 47 are transferred under a gift or an irrevocable trust, the market value on the date of such transfer shall be deemed to be the full value of consideration received or accruing as a result of transfer for the purposes of this section:] [Provided also that no deduction shall be allowed in computing the income chargeable under the head —Capital gains‖ in respect of any sum paid on account of securities transaction tax under Chapter VII of the Finance (No. 2) Act, 2004 (23 of 2004).]

Explanation.—For the purposes of this section,—

(i) —foreign currency‖ and —Indian currency‖ shall have the meanings respectively assigned to them in section 2 of [the Foreign Exchange Management Act, 1999 (42 of 1999);]

(ii) the conversion of Indian currency into foreign currency and the reconversion of foreign currency into Indian currency shall be at the rate of exchange prescribed in this behalf;

(iii) —indexed cost of acquisition‖ means an amount which bears to the cost of acquisition the same proportion as Cost Inflation Index for the year in which the asset is transferred bears to the Cost Inflation Index for the first year in which the asset was held by the assessee or for the year beginning on the [1st day of April, 2001,] whichever is later;

(iv) —indexed cost of any improvement‖ means an amount which bears to the cost of improvement the same proportion as Cost Inflation Index for the year in which the asset is transferred bears to the Cost Inflation Index for the year in which the improvement to the asset took place; [(v) —Cost Inflation Index‖, in relation to a previous year, means such Index as the Central Government may, having regard to seventy-five per cent of average rise in the [Consumer Price Index (urban)] for the immediately preceding previous year to such previous year, by notification in the Official Gazette, specify, in this behalf.]]

Source: India Code (Legislative Department), the text of the Act as it stood before its repeal. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.

Supreme Court judgments citing the section 48