law: Code of Criminal Procedure Act, 1973
  
  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 authorized 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.