law: Contact Labour (Regulation and Abolition) Act, 1970
  28. Inspecting staff
  (1) The appropriate government may, by notification in the
  
  Official Gazette, appoint such persons as it thinks fit to be inspectors for
  
  the purposes of this Act, and define the local limits within which they shall
  
  exercise their powers under this Act.
  (2) Subject to any rules made in this behalf, an inspector may,
  
  within the local limits for which he is appointed-
  (a) enter, at all reasonable hours, with such
  
  assistance (if any), being persons in the service of the government or any
  
  local or other public authority as he thinks fit, any premises or place where
  
  contract labor is employed, for the purpose of examining any register or record
  
  or notice required to be kept or exhibited by or under this Act or rules made
  
  thereunder, and require the production thereof for inspection:
  (b) examine any person whom he finds in any
  
  such premises or place and who, he has reasonable cause to believe, is a
  
  workman employed therein;
  (c) require any person giving out work and any
  
  workman, to give any information, which is in his power to give with respect to
  
  the names and addresses of the person to, for and from whom the work is given
  
  out or received, and with respect to the payments to be made for the work;
  (d) seize or take copies of such register,
  
  record of wages or notices or portions thereof as he may consider relevant in
  
  respect of an offence under this Act which he has reason to believe has been
  
  committed by the principal employer or contractor; and
  (e) exercise such other powers as may be
  
  prescribed.
  (3) Any information required to produce any document or thing or
  
  to give any information required by an inspector under sub-section (2) shall be
  
  deemed to be legally bound to do so within the meaning of section 175 and
  
  section 176 of the Indian Penal Code, 1860 (45 of 1860).
  (4) The provisions of the Code of Criminal Procedure, 1898 (5 of
  
  1898), shall, so far as may be, apply to any search or seizure under
  
  sub-section (2) as they apply to any search or seizure made under the authority
  
  of a warrant issued under section 98 of the said Code.2