law: Atomic Energy Act, 1962 
  18. Restriction on disclosure of
  
  information
  (1) The Central
  
  Government may by order restrict the disclosure of information, whether
  
  contained in a document, drawing, photograph, plan, model, or in any other form
  
  whatsoever, which relates to, represents or illustrates-
  (a) an existing or proposed plant used or proposed
  
  to be used for the purpose of producing, developing or using atomic energy, or
  (b) the purpose or method of operation of any
  
  such existing or proposed plant, or.
  (c) any process operated or proposed to be
  
  operated in any such existing or proposed plant.
  (2) No person shall-
  (a) disclose, or obtain or attempt to obtain
  
  any information restricted under sub-section (1), or
  (b) disclose, without the authority of the
  
  Central Government, any information obtained in the discharge of any functions
  
  under this Act or in the performance of his official duties.
  (3) Nothing in this
  
  section shall apply-
  ( i ) to the
  
  disclosure of information with respect to any plant of a type in use for
  
  purposes other than the production, development or use of atomic energy, unless
  
  the information discloses that plant of that type is used or proposed to be
  
  used for the production, development or use of atomic energy or research into
  
  any matters connected therewith; or
  (ii) where any information has been made
  
  available to the general public otherwise than in contravention of this
  
  section, to any subsequent disclosure of that information.