(1) The general superintendence, direction and management of the affairs and business of the Corporation shall vest in a board of directors which may exercise all such powers and do all such acts and things as may be exercised or done by the Corporation under this Act.
     (2) The board of directors, in discharging its functions, shall act on business principles having regard to the interests of the producer and consumer and shall be guided by such instructions on questions of policy as may be given to it by the Central Government.
     (3) If any doubt arises as to whether a question is or is not a question of policy, the decision of the Central Government thereon shall be final.