law: Air (Prevention and Control of Pollution) Act, 1981
  22. Persons Carrying on Industry, Etc., not to Allow Emission of Air Pollutants in Excess of the Standards Laid Down by State Board.
  No
  
  person [ 17 * * * 17 ] operating any industrial plant, in any air pollution
  
  control area shall discharge or cause or permit to be discharged the emission
  
  of any air pollutant in excess of the standards laid down by the State Board
  
  under clause (9) of sub-section (1) of Section 17.