S. 45 : Capital gains-Transfer-Part performance of contract-Joint development agreement-No accrual-Not registered-Ownership is retained-Possessing is parted for limited purpose of development-Not liable to be assessed as capital gains.[S. 2(47)(v),153A, 153C, Registration Act, 1908, S.17(IA), 49, Transfer of Property Act, 1882, S 53A]