law: Prasar Bharati (Broadcasting Corporation of India) Act, 1990
  17.Grants, etc., by the Central Government
  For the purposes of enabling the Corporation to discharge its
  
  functions effectively under this Act, the Central Government may, after due
  
  appropriation made by Parliament by law this behalf, pay to the Corporation in
  
  each financial year,-
  a) the proceeds of the broadcast receiver license fees, if any,
  
  as reduced by the collection charges; and
  b) such other sums of money as that Government considers
  
  necessary, by way of equity, grand-in-aid or loan.