law: Atomic Energy Act, 1962 
  8. Power of entry and inspection
  (1) Any person
  
  authorized by the Central Government may, on producing, if so required, a duly
  
  authenticated document showing his authority, enter any mine, premises or land-
  (a) where he has reason to believe that work
  
  is being carried out for the purpose of or in connection with production and
  
  processing of any prescribed substances. or substances from which a prescribed
  
  substance can be obtained or production, development or use of atomic energy or
  
  research into matters connect therewith, or
  (b) where any such plant as is mentioned in
  
  clause (b) of section 7 is situate, and may inspect the mine, premises or land
  
  and any articles contained therein. 
  (2) The person carrying
  
  out the inspection may make copies of or extracts from any drawing, plan or
  
  other document found in the mine, premises or land and for the purpose of
  
  making such copies or extracts, may remove any such drawing, plan or other
  
  document after giving a duly signed receipt for the same and retain possession
  
  thereof for a period not exceeding seven days.