of the NDPS Act. Section 42 deals with the power of an empowered officer to conduct search, in any building, conveyance or enclosed place, when he has reason to believe, on personal knowledge or on information given by any person, that an offence under the NDPS Act has been committed, in respect of any narcotic drug or psychotropic substance or controlled substance etc etc., which is liable for seizure or freezing or forfeiture under Chapter VA of the Act, and such narcotic drug, psychotropic substance etc etc are kept or concealed in such building, conveyance or enclosed place. The section further says that the empowered officer has to take down the information in writing and proceed for search, if it is between sunrise and sunset and the 2nd proviso says, if the search is between sunset and sunrise, and the search warrant or authorisation cannot be obtained, without affording opportunity for the concealment of evidence or facility for the escape of the offender, he may enter and search such building, conveyance or enclosed place after recording the grounds of his belief. In both situations i.e. search between sunrise and sunset or between sunset and sunrise, if the search is based on an information, either