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).