—(1)  Where in any written law a Minister is empowered to exercise any power or perform any duty, he may, in the absence of any provision of law to the contrary, with the approval of the President and by notification in the Gazette, depute any person by name or the person for the time being discharging the duties of an office designated by him to exercise that power or perform that duty on behalf of the Minister subject to such conditions, exceptions and qualifications as the President may determine, and thereupon or from the date specified by the President, the person so deputed shall have and exercise that power and perform that duty.