The Code of Criminal Procedure, 1973 (CrPc)
37. Public when to assist Magistrates and police.
Every person is bound to assist a Magistrate or police officer reasonably demanding his aid-
(a) in the taking or preventing the escape of any other person whom such magistrate or police officer is authorised to arrest; or
(b) in the prevention or suppression of a breach of the peace; or
(c) in the prevention of any injury attempted to be committed to any railway, canal, telegraph or public property.