law: Factories Act, 1948 
  9. Powers of Inspectors 
  Subject to any rules made in this behalf, an Inspector may,
  
  within the local limits for which he is appointed,- 
  (a) enter, with such assistants, being persons in the service of
  
  the government, or any local or other public authority, 4[or with an
  
  expert] as he thinks fit, any place which is used, or which he has reason to
  
  believe is used, as a factory;
   28  [(b) make examination of the premises, plant, machinery,
  
  article or substance;
  (c) inquire into any accident or dangerous occurrence, whether
  
  resulting in bodily injury, disability or not, and take on the spot or
  
  otherwise statements of any person which he may consider necessary for such
  
  inquiry;
  (d) require the production of any prescribed register or any
  
  other document relating to the factory;
  (e) seize, or take copies of, any register, record or other
  
  document or any portion thereof as he may consider necessary in respect of any
  
  offence under this Act, which he has reason to believe, has been committed;
  (f) direct the occupier that any premises or any part thereof,
  
  or anything lying therein, shall be left undisturbed (whether generally or in
  
  particular respects) for so long as is necessary for the purpose of any
  
  examination under clause (b);
  (g) take measurements and photographs and make such recordings
  
  as he considers necessary for the purpose of any examination under clause (b),
  
  taking with him any necessary instrument or equipment;
  (h) in case of any article or substance found in any premises,
  
  being an article or substance which appears to him as having caused or is
  
  likely to cause danger to the health or safety of the workers, direct it to be
  
  dismantled or subject it to any process or test (but not so as to damage or
  
  destroy it unless the same is, in the circumstances necessary, for carrying out
  
  the purposes of this Act), and take possession of any such article or substance
  
  or a part thereof, and detain it for so long as is necessary for such
  
  examination;
  ( i ) exercise such other powers as may
  
  be prescribed:]
  PROVIDED  that no person shall be compelled under this
  
  section to answer any question or give any evidence tending to incriminate
  
  himself.