(1) Notwithstanding anything contained in this Act, the Government shall have the power of reversing or modifying or recalling any order of any officer of the Government or any officer of the Service passed or purporting to have been passed under this Act, if it considers it to be not in accordance with the provisions of this Act or the rules made thereunder or instructions or to be for any reason inexpedient.
(2) The Government shall exercise over its officers all powers of superintendence, direction and control.
(3) The power of the Government to issue any order, direction or instruction under this Act shall include the power of the Government to modify, withdraw or amend such order, direction or instruction.