(1) The Board may, with the previous approval of the Central Government, by notification in the Official Gazette, make regulations consistent with this Act and the rules generally to carry out the purposes of this Act.
     (2) In particular and without prejudice to the generality of the foregoing power, such regulations may provide for all or any of the following matters, namely:--
         (a) the manner in which, and the purposes for which, the Board may associate with itself any person under sub-section (6) of section 4;
         (b) the powers and duties of the General Manager of the Board which may be determined under sub-section (4) of section 7;
         (c) the terms and conditions of service of the Chief Engineers, the Secretary and other officers and employees of the Board under sub-section (3) of section 9;
         (d) any other matter in respect of which provision is to be or may be made by regulations.