Section 43(a) in The Narcotic Drugs And Psychotropic Substances Act, 1985
(a)seize in any public place or in transit, any narcotic drug or psychotropic substance or controlled substance in respect of which he has reason to believe an offence punishable under this Act has been committed, and, along with such drug or substance, any animal or conveyance or article liable to confiscation under this Act, any document or other article which he has reason to believe may furnish evidence of the commission of an offence punishable under this Act or any document or other article which may furnish evidence of holding any illegally acquired property which is liable for seizure or freezing or forfeiture under Chapter VA of this Act;