Section 58 of THE BHARATIYA NAGARIK SURAKSHA SANHITA, 2023 – BNSS

Person arrested not to be detained more than twenty-four hours.

58. 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 187, exceed
    twenty-four hours exclusive of the time necessary for the journey from the place of arrest to
    the Magistrate’s Court, whether having jurisdiction or not.

Read also Section 27 of THE BHARATIYA NAGARIK SURAKSHA SANHITA, 2023 – BNSS