law: Air (Prevention and Control of Pollution) Act, 1981
  23. Furnishing of Information to State Board and Other Agencies in Certain Cases.
  (1)
  
  Where in any area the emission of any air pollutant into the atmosphere in
  
  excess of the standards laid down by the State Board occurs or is apprehended
  
  to occur due to accident or other unforseen act or event, the person in charge
  
  of the premises from where such emission occurs or is apprehended to occur
  
  shall forthwith intimate the fact of such occurrence or the apprehension of
  
  such occurrence to the State Board and to such authorities or agencies as may be
  
  prescribed.
  (2)
  
  On receipt of information with respect to the fact or the apprehension of any
  
  occurrence of the nature referred to in sub-section (1), whether through
  
  intimation under that sub-section or otherwise, the State Board and the
  
  authorities or agencies shall, as early as practicable, cause such remedial
  
  measures to be taken as are necessary to mitigate the emission of such air
  
  pollutants.
  (3)
  
  Expenses, if any, incurred by the State Board, authority or agency with respect
  
  to the remedial measures referred to in sub-section (2) together with interest
  
  (at such reasonable rate, as the State Government may, by order, fix) from the
  
  date when a demand for the expenses is made until it is paid, may be recovered
  
  by the Board, authority or agency from the person, concerned, as arrears of
  
  land revenue, or of public demand.