law: Environment (Protection) Act, 1986  
  9. Furnishing of Information to Authorities and Agencies in Certain Cases
  (1) Where the discharge of any environmental pollutant in excess of the
  
  prescribed standards occurs or is apprehended to occur due to any accident or
  
  other unforeseen act or event, the person responsible for such discharge and
  
  the person in charge of the place at which such discharge occurs, or is
  
  apprehended to occur shall be bound to prevent or mitigate the environmental
  
  pollution caused as a result of such discharge and shall also forthwith -
  
  
  (a) intimate the fact
  
  of such occurrence or apprehension of such occurrence; and
  (b) be bound, if
  
  called upon, to render all assistance, to such authorities or agencies as may
  
  be prescribed.
  (2) On receipt of information with respect to
  
  the fact or apprehension of any occurrence of the nature referred to in
  
  sub-section (1), whether through intimation under that sub-section or
  
  otherwise, the authorities or agencies referred to in sub-section (1) shall, as
  
  early as practicable, cause such remedial measures to be taken as are necessary
  
  to prevent or mitigate the environmental pollution.
  (3) The expenses, if any, incurred by any
  
  authority or agency with respect to the remedial measures referred to in sub-section
  
  (2), together with interest (at such reasonable rate as the Government may, by
  
  order, fix) from the date when a demand for the expenses is made until it is
  
  paid may be recovered by such authority or agency from the person concerned as
  
  arrears of land revenue or of public demand.