(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 on the basis of material in his possession, reason to believe (the reason for such belief to be recorded in writing) 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)  The Director, Deputy Director, Assistant Director or any other officer shall, immediately after arrest of such person under sub-section (1), forward a copy of the order along with the material in his possession, referred to in that sub-section, to the Adjudicating Authority in a sealed envelope, in the manner, as may be prescribed and such Adjudicating Authority shall keep such order and material for such period, as may be prescribed.

   (3)  Every person arrested under sub-section (1) shall, within twenty-four hours, be taken to a ¹[Special Court or] 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 ¹[Special Court or] Magistrate's Court.