6. Vice-Chairman and Standing Committee. (1) 1*[The Central Government shall appoint from among the members of the Board] a Vice- Chairman who shall exercise such of the powers and perform such of the duties of the Chairman as may be prescribed or as may be delegated to him by the Chairman. (2) The Board may, in its discretion, constitute a Standing Committee for the purpose of exercising such of its powers and performing such of its duties as may be delegated by it, not being powers or duties the delegation of which is prohibited by rules made under this Act. (3) The Standing Committee shall consist of the Chairman, the Vice-Chairman, and five others elected by the Board from among its members.