law: Code of Criminal Procedure Act, 1973
  58.Police to report apprehensions.-
  Officers in charge of police stations shall
  
  report to the District Magistrate, or, if he so directs, to the Sub-divisional
  
  Magistrate, the cases of all persons arrested without warrant, within the
  
  limits of their respective stations, whether such persons have been admitted to
  
  bail or otherwise.