79. Carry forward and set off of losses in the case of certain companies.

Notwithstanding anything contained in this Chapter, where a change in shareholding has taken place in a previous year in the case of a company, not being a company in which the public are substantially interested, no loss incurred in any year prior to the previous year shall be carried forward and set off against the income of the previous year unless-

(a) on the last day of the previous year the shares of the company carrying not less than fifty-one per cent. of the voting power were beneficially held by persons who beneficially held shares of the company carrying not less than fifty-one per cent. of the voting power on the last day of the year or years in which the loss was incurred:

Provided that nothing contained in this section shall apply to a case where a change in the said voting power takes place in a previous year consequent upon the death of a shareholder or on account of transfer of shares by way of gift to any relative of the shareholder making such gift.

Provided further that nothing contained in this section shall apply to any change in the shareholding of an Indian company which is a subsidiary of a foreign company as a result of amalgamation or demerger of a foreign company subject to the condition that fifty-one per cent. shareholders of the amalgamating or demerged foreign company continue to be the shareholders of the amalgamated or the resulting foreign company.