(2)Where the assessee purchases, within the period of [two years] [ Substituted by Act 11 of 1987, Section 23, for " one year" (w.e.f. 1.4.1988).] after the date of the transfer of the original asset, or constructs, within the period of three years after such date, any residential house, the income from which is chargeable under the head "Income from house property", other than the new asset, the amount of capital gain arising from the transfer of the original asset not charged under section 45 on the basis of the cost of such new asset as provided in clause (a), or, as the case may be, clause (b), of sub-section (1), shall be deemed to be income chargeable under the head "Capital gains" relating to long-term capital assets of the previous year in which such residential house is purchased or constructed.
