Official Secrets Act, 1923
Section 10: Penalty for harbouring spies
(1) If any person knowingly harbours 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 harboured 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 [three years], or with fine, or with both.
Source: India Code (indiacode.gov.in), the consolidated text published by the Legislative Department, Government of India. Text as updated on India Code on 15 October 2026. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.