law: Water (Prevention and Control of Pollution) Act, 1974
  1. Short Title, Application and Commencement.
  
  (1) This Act may be called the Water
  
  (Prevention and Control of Pollution) Act, 1974.
  (2) It applies in the first instance to the whole of the States of Assam,
  
  Bihar, Gujarat, Haryana, Himachal Pradesh, Jammu and Kashmir, Karnataka,
  
  Kerala, Madhya Pradesh, Rajasthan, Tripura and West Bengal and the Union
  
  territories; and it shall apply to such other State which adopts this Act by
  
  resolution passed in that behalf under clause (1) of Article 252 of the
  
  Constitution.
  (3) It shall come into force, at once in the
  
  State of Assam, Bihar, Gujarat, Haryana, Himachal Pradesh, Jammu and Kashmir,
  
  Karnataka, Kerala, Madhya Pradesh, Rajasthan, Tripura and West Bengal and in
  
  the Union territories, and in any other State which adopts this Act under
  
  clause (1) of Article 252 of the Constitution on the date of such adoption and
  
  any reference in this Act to the commencement of this Act shall, in relation to
  
  any State or Union territory mean the date on which this Act comes into force
  
  in such State or Union territory.