Code of Criminal Procedure Act, 1973
57.Person arrested not to be detained more than twenty-four hours.-
No police officer shall detail 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.