law: Air (Prevention and Control of Pollution) Act, 1981
  33. Fund of Board.
  (1)
  
  Every State Board shall have its own fund for the purposes of this Act and all
  
  sums which may, from time to time, be paid to it by the Central Government and
  
  all other receipts (by way of contributions, if any, from the State Government,
  
  fees, gifts, grants, donations, benefactions or otherwise) of that Board shall
  
  be carried to the fund of the Board and all payments by the Board shall be made
  
  there from.
  (2)
  
  Every State Board may expend such sums as it thinks fit for performing its
  
  functions under this Act and such sums shall be treated as expenditure payable
  
  out of the fund of that Board.
  (3)
  
  Nothing in this section shall apply to any [ 22 State Pollution Control Board
  
  22 ] constituted under Section 4 of the Water (Prevention and Control of
  
  Pollution) Act, 1974 (6 of 1974), which is empowered by that Act to expend
  
  money from its fund there under also for performing its functions, under any
  
  law for the time being in force relating to the prevention, control or abatement
  
  of air pollution.