law: Water (Prevention and Control of Pollution) Act, 1974
  12. Member-Secretary and Officers and Other Employees of Board.
  
  (1) The terms and conditions of service of the
  
  member-secretary shall be such as may be prescribed.
  (2) The member-secretary shall exercise such
  
  powers and perform such duties as may be prescribed or as may, from time to
  
  time, be delegated to him by the Board or its chairman.
  (3) Subject to such rules as may be made by
  
  the Central Government or, as the case may be, the State Government in this
  
  behalf, a Board may appoint such officers and employees as it considers
  
  necessary for the efficient performance of its functions.
  (3A) The method of recruitment and the terms and conditions of service
  
  (including the scale of pay) of the officers (other than the member-secretary)
  
  and other employees of the Central Board or a State Board shall be such as may
  
  be determined by regulations made by the Central Board or, as the case may be,
  
  by the State Board 
  
  Provided that no regulation made under this sub-section shall take
  
  effect unless, -
  (a) in the case of a regulation made by the
  
  Central Board, it is approved by the Central Government; and
  (b) in the case of a regulation made by a
  
  State Board, it is approved by the State Government.
  (3B) The Board may, by general or special
  
  order, and subject to such conditions and limitations, if any, as may be
  
  specified in the order, delegate to any officer of the Board such of its powers
  
  and functions under this Act as it may deem necessary.
  (4) Subject to such conditions as may be prescribed, a Board may from time to
  
  time appoint any qualified person to be a consulting engineer to the Board and
  
  pay him such salaries and allowances and subject him to such other terms and
  
  conditions of service as it thinks fit.