Income tax Act, 1961 (hereinafter referred to as the Income tax Act), the (hereinafter referred to as the ) or the Gift tax Act, 1958 (hereinafter referred to as the ) and, in particular, no person who has subscribed to, or has otherwise acquired, the said Bonds shall be entitled (a) to claim any set off or relief in any assessment, re assessment, appeal, reference or other proceeding under the Income tax Act or to reopen any, assessment or re assessment made under that Act on the ground that he has subscribed to or has otherwise acquired the said Bonds: (b) to claim, in relation to any period before the date of maturity of the said Bonds, that any asset which is includible in his net wealth for any assessment year under the has been converted into the said Bonds; or (c) to claim, in relation to any period before the date or maturity of the said Bonds, that any asset held by him or any sum credited in his books of account or otherwise held by him represents the consideration received by him for the transfer of the said Bonds.