All Executive Authorities, all officers and other employees of such authorities including the officers authorised under sub-section (1) of section 5, all inspectors appointed under sub-section (1) of section 9 and all officers and other employees authorised to execute a scheme or order made under this Act, when acting or purporting to act in pursuance of any provisions of this Act or the rules or schemes made or orders or directions issued thereunder, shall be deemed to be public servants within the meaning of section 21 of the Indian Penal Code (45 of 1860).