law: Air (Prevention and Control of Pollution) Act, 1981
  19. Power to Declare Air Pollution Control Areas.
  (1)
  
  The State Government may, after consultation with the State Board, by notification
  
  in the Official Gazette, declare in such manner as may be prescribed, any area
  
  or areas within the State as air pollution control area or areas for the
  
  purposes of this Act.
  (2)
  
  The State Government may, after consultation with the State Board, by notification
  
  in the Official Gazette, -
  a. alter any air pollution control area whether by way of
  
  extension or reduction;
  b. declare a new air pollution control area in which may
  
  be merged one or more existing air pollution control areas or any part or parts
  
  thereof.
  (3)
  
  If the State Government, after consultation with the State Board, is of opinion
  
  that the use of any fuel, other than an approved fuel, in any air pollution
  
  control area or part thereof, may cause or is likely to cause air pollution, it
  
  may by notification in the Official Gazette, prohibit the use of such fuel in
  
  such area or part thereof with effect from such date (being not less than three
  
  months from the date of publication of the notification) as may be specified in
  
  the notification.
  (4)
  
  The State Government may, after consultation with the State Board, by
  
  notification in the Official Gazette, direct that with effect from such date as
  
  may be specified therein, no appliance, other than an approved appliance, shall
  
  be used in the premises situated in an air pollution control area :
  Provided that
  
  different dates may be specified for different parts of an air pollution
  
  control area or for the use of different appliances.
  (5)
  
  If the State Government, after consultation with the State Board, is of opinion
  
  that the burning of any material (not being fuel) in any air pollution control
  
  area or part thereof may cause or is likely to cause air pollution, it may, by
  
  notification in the Official Gazette, prohibit the burning of such material in
  
  such area or part thereof.