law: Dock Workers (Safety, Health and Welfare) Act, 1986 
  4. Powers of
  
  Inspectors. – 
  An Inspector may, at
  
  any port for which he is appointed, -
  a.     
  
    Enter,
  
  with such assistance (if any), as he thinks fit, any ship, dock, warehouse or
  
  other premises, where any dock work is being carried on, or where he has reason
  
  to believe that any dock work is being carried on;
  b.    
  
    Make
  
  examination of the ship, dock, lifting machinery, cargo gear, stagings,
  
  transport equipment, warehouses or other premises, used or to he used, for any
  
  dock work;
  c.     
  
    Require
  
  the production of any register, muster roll or other document relating to the
  
  employment or dock workers and examine such document;
  d.    
  
    Take
  
  on the spot or otherwise such evidence of any person, which he may deem
  
  necessary:
  
  Provided that no person shall be compelled under this section to answer any
  
  question or give any evidence tending to incriminate himself;
  e.     
  
    Take
  
  copies of registers, records or other documents or portions thereof as lie may
  
  consider relevant in respect of any offence which lie has reason to believe has
  
  been committed or for the purpose of any inquiry;
  f.     
  
    Take
  
  photograph, sketch, sample, measure or record, as he may consider necessary for
  
  the purpose of any examination or inquiry;
  g.    
  
    Hold
  
  an inquiry into the causes of any accident which he has reason to believe was
  
  the result of the collapse or failure of lifting machinery, transport
  
  equipment, staging or non-compliance with any of the provisions of this Act or
  
  the regulations;
  h.     
  
    Issue
  
  shows cause notice relating to the safety, health and welfare provisions
  
  arising under this Act or the regulations;
  i.      
  
    Prosecute,
  
  conduct or defend before any court any complaint or other proceedings arising
  
  under this Act or the regulations;
  j.      
  
    Exercise
  
  such other powers as may be conferred upon him by the regulations.