Power to issue warrant and authorization

(1) A Magistrate of the first class or any Magistrate of the second class specially empowered by the Government in this behalf, may issue a warrant for the arrest of any person whom he has reason to believe to have committed any offence punishable under this Act, as for the search, whether by day or by night, of any building, conveyance or place in which he has reason to believe any controlled substance in respect of which an offence punishable under this Act has been committed or any document or other article which may furnish evidence of the commission of such offence. (2) Any officer not below the rank of a gazetted officer of the departments of drug control, excise & narcotics, police or any other department of the Government as he is empowered in this behalf by general or special order of the Government if he has reason to believe from personal knowledge or information given by any person and taken down on writing that any person has committed an offence punishable under this Act or any document or other article which may furnish evidence of the commission of such offence is kept or concealed in any building, conveyance or place authorize any officer subordinate to him but superior in rank to a peon, helper or a constable to arrest such a person or search a building, conveyance or place. (3) The officer to whom a warrant under sub-section (1) is addressed and the officer who authorized the arrest or search or the officer who is so authorized under sub-section (2) shall have all the powers of an officer acting under Section 21.