Section 42 in The Narcotic Drugs and Psychotropic Substances Act, 1985 1[42. Power of entry, search, seizure and arrest without warrant or authorisation. — (1) Any such officer (being an officer superior in rank to a peon, sepoy or constable) of the departments of central excise, narcotics, customs, revenue intellegence or any other department of the Central Government including para-military forces or armed forces as is empowered in this behalf by general or special order by the Central Government, or any such officer (being an officer superior in rank to a peon, sepoy or constable) of the revenue, drugs control, excise, police or any other department of a State Government as is empowered in this behalf by general or special order of the State Government, if he has reason to believe from persons knowledge or information given by any person and taken down in writing that any narcotic drug, or psychotropic substance, or controlled substance in respect of which an offence punishabl...