law: Contact Labour (Regulation and Abolition) Act, 1970
  16. Canteens
  (1) The appropriate government may make rules requiring that in
  
  every establishment-
  (a) to which this Act applies,
  (b) wherein work requiring employment of
  
  contract labor is likely to continue for such period as may be prescribed, and
  (c) wherein contract labor numbering one
  
  hundred or more is ordinarily employed by a contractor, one or more canteens
  
  shall be provided and maintained by the contractor for the use of such contract
  
  labor.
  (2) Without prejudice to the generality of the foregoing power,
  
  such rules, may provide for-
  (a) the date by which the canteens shall be
  
  provided;
  (b) the number of canteens that shall be
  
  provided, and the standards in respect of construction, accommodation,
  
  furniture and other equipment of the canteens; and
  (c) the foodstuffs which may be served therein
  
  and the charges which may be made therefor.