Which provision of the Code of Criminal Procedure (CrPC), 1973, stipulates that a police officer must produce a person arrested without a warrant before a Magistrate within a maximum period of 24 hours?

Section 57 of the CrPC, 1973, mandates that no police officer shall detain in custody a person arrested without warrant for a longer period than under all the circumstances of the case is reasonable, and such period shall not, in the absence of a special order of a Magistrate under Section 167, exceed twenty-four hours exclusive of the time necessary for the journey from the place of arrest to the Magistrate's Court.