law: 9. Secretary and staff.-
  (1) The Central Government shall, after consulting the Board appoint a Secretary to the Board who shall exercise such powers and perform such duties as may be prescribed or as may be delegated to him by the Board or the Chairman.
  (2) Subject to such control and restrictions as may be prescribed, the Board may appoint such officers and employees as may be necessary for the efficient performance of its functions and pay them such salaries and allowances as it may determine from time to time.
  (3) The Chairman, Secretary and other officers and employees of the Board shall not undertake any work unconnected with their duties under this Act except with the permission of the Central Government.