law: Official Secrets Act, 1923 
  10. Penalty for harboring spies 
  (1) If any person knowingly harbors any person
  
  whom he knows or has reasonable grounds for supposing to be a person who is
  
  about to commit or who has committed an offence under section 3 or under
  
  section 3 read with section 9 or knowingly permits to meet or assemble in any
  
  premises in his occupation or under his control any such persons, he shall be
  
  guilty of an offence under this section.
  (2) It shall be the duty of every person
  
  having harbored any such person as aforesaid, or permitted to meet or assemble
  
  in any premises in his occupation or under his control any such persons as
  
  aforesaid, to give on demand to a Superintendent of Police or other police
  
  officer not below the rank of Inspector empowered by an Inspector-General or
  
  Commissioner of Police in this behalf, any information in his power relating to
  
  any such person or persons, and if any person fails to give any such
  
  information, he shall be guilty of an offence under this section.
  (3) A person guilty of an offence under this
  
  section shall be punishable with imprisonment for a term which may extend to
  
  20[three years], or with fine, or with both.