18. Power to arrest –
(1) if the Director, Deputy Director, Assistant Director, or any other officer authorised in this behalf by the Central Government by general or special order, has reason to believe that any person has been guilty of an offence punishable under this Act, he may arrest such person and shall, as soon as may be, inform him of the grounds for such arrest.
(2) Every person arrested under sub-section (1) shall within twenty-four hours, be taken to a Judicial Magistrate or a Metropolitan Magistrate, as the case may be, having jurisdiction:
Provided that the period of twenty-four hours shall exclude the time necessary for the journey from the place of arrest to the Magistrate’s Court.