S. 45 : Capital gains-Short term-Transfer-Joint Development Agreement (JDA)-Construction of an apartment project-Merely a license for developer to enter property-Provisions of section 53A of Transfer of Property Act and provisions of section 2(47)(v) would not be applicable to JDA-Not liable to capital gains tax-Failure to file JDA agreement-Reassessment notice is valid. [S. 2(47)(v)), 147, 148, Transfer of Property Act, 1882, S. 53A]