law: Industries (Development and Regulation) Act, 1951 
  19. Powers of inspection 
  (1) For the purpose of ascertaining the position of working of 
  
  any industrial undertaking or for any other purpose mentioned in this Act or the 
  
  rules made thereunder, any person authorized by the Central Government in this 
  
  behalf shall have the right- 
  (a) to enter and inspect any premises;
  (b) to order the production of any document, 
  
  book, register or record in the possession or power of any person having the 
  
  control of, or employed in connection with, any industrial undertaking; and
  (c) to examine any person having the control 
  
  of, or employed in connection with, any industrial undertaking.
  (2) Any person unauthorized by the Central Government under 
  
  sub-section (1) shall be deemed to be a public servant within the meaning of 
  
  section 21 of the Indian Penal Code (45 of 1860).