law: Atomic Energy Act, 1962 
  7. Powers to obtain in for information
  
  regarding materials, plant or processes
  The Central Government
  
  may, by notice in writing served on any person, require him to make such
  
  periodical and other returns, or statements at such times and containing such
  
  particulars and accompanied by such plans, drawings and other documents as may
  
  be specified in the notice relating to-
  (a) any prescribed substance,
  
  specified in the notice, in his possession or under his control or present in
  
  or on any land or mine owned or occupied by him which in the opinion of the
  
  Central Government is or can be a source of any of the prescribed substances,
  
  including returns in respect of any such land or mine;
  (b) any plant in his
  
  possession or under his control designed for mining or processing of minerals
  
  so specified or adapted for the production or use of atomic energy or research
  
  into matters connected therewith;
  (c) any contract
  
  entered into by him or any license granted by or to him relating to prospecting
  
  or mining of minerals so specified or the production or use of atomic energy or
  
  research into matters connected therewith;
  (d) any other
  
  information in his possession relating to any work carried out by him or on his
  
  behalf or under his directions, in connection with prospecting or mining of
  
  materials so specified or the production or use of atomic energy or research
  
  into matters connected therewith.