law: Atomic Energy Act, 1962 
  20. Special provisions as to inventions
  (1) As from the
  
  commencement of this Act, no patents shall be granted for inventions which in the
  
  opinion of the Central Government are useful for or relate to the production,
  
  control, use or disposal of atomic energy or the prospecting, mining,
  
  extraction, production, physical and chemical treatment, fabrication,
  
  enrichment, canning or use of any prescribed substance or radioactive substance
  
  or the ensuring of safety in atomic energy operations.
  (2) The prohibition
  
  under sub-section (1) shall also apply to any invention of the nature specified
  
  in that sub-section in respect of which an application for the grant of a
  
  patent has been made to the Controller of Patents and Designs appointed under
  
  the Indian Patents and Designs Act, 1911, before the commencement of this Act
  
  and is pending with him at such commencement. 
  (3) The Central
  
  Government shall have the power to inspect at any time any pending patent
  
  application and specification before its acceptance and if it considers that
  
  the invention relates to atomic energy, to issue directions to the Controller
  
  of Patents and Designs to refuse the application on that ground.
  (4) Any person, who
  
  has made an invention which he has reason to believe relates to atomic energy,
  
  shall communicate to the Central Government the nature and description of the
  
  invention.
  (5) Any person
  
  desiring to apply for a patent abroad for an invention relating to or which he
  
  has reason to believe relates to atomic energy shall obtain prior permission
  
  from the Central Government before making the application abroad or
  
  communicating the invention to any person abroad, unless three months have
  
  elapsed since his request for permission was made to the Central Government and
  
  no reply was received by him.
  (6) The Controller of
  
  Patents and Designs shall have the power to refer any application to the
  
  Central Government for direction as to whether the invention is one relating to
  
  atomic energy and the direction given. by the Central Government shall be
  
  final.
  (7) Any invention in
  
  the field of atomic energy conceived whether in establishments controlled by
  
  the Central Government or under any contract, sub-contract, arrangement or
  
  other relationship with the Central Government shall be deemed to have been
  
  made or conceived by the Central Government, irrespective of whether such
  
  contract, sub-contract, arrangement or other relationship involves financial
  
  participation of or assistance from the Central Government.
  (8) Notwithstanding
  
  anything contained in the Indian Patents and Designs Act, 1911, the decision of
  
  the Central Government on points connected with or arising out of this section
  
  shall be final.