(d)incurred expenses on such other purposes as may be specified in a scheme framed by the Central Government for the purposes of this section, then, instead of the capital gain being charged to income-tax as income of the previous year in which the transfer took place, it shall, subject to the provisions of sub-section (2), be dealt with in accordance with the following provisions of this section, that is to say,-(i)if the amount of the capital gain is greater than the cost and expenses incurred in relation to all or any of the purposes mentioned in clauses (a) to (d) (such cost and expenses being hereafter in this section referred to as the new asset), the difference between the amount of the capital gain and the cost of the new asset shall be charged under section 45 as the income of the previous year; and for the purpose of computing in respect of the new asset any capital gain arising from its transfer within a period of three years of its being purchased, acquired, constructed or transferred, as the case may be, the cost shall be Nil; or(ii)if the amount of the capital gain is equal to, or less than, the cost of the new asset, the capital gain shall not be charged under section 45, and for the purpose of computing in respect of the new asset any capital gain arising from its transfer within a period of three years of its being purchased, acquired, constructed or transferred, as the case may be, the cost shall be reduced by the amount of the capital gain.