S. 45: Capital gains-Transfer-Any transaction by way of becoming a member-Joint Development Agreement (JDA)-Unregistered JDA/GPA can still constitute transfer under section 2(47)(vi)-Transfer of 62% land in exchange for 38% developed area taxable in year of agreement-The matter was remanded only for recomputation of capital gains in accordance with sections 48 and 50C. [S. 2(47)(vi), 48, 50C]