9. Section 42 of the Act deals with the power of entry, search, seizure and arrest without warrant or authorization. The proviso to Section 42(1) inter-alia states that if the officer has reason to believe that a search warrant or authorization cannot be obtained without affording opportunity for the concealment of evidence or facility for the escape of an offender, he may enter and search such building, conveyance or enclosed place at any time between sunset and sunrise after recording the grounds of his belief. Sub-Section (2) of Section 42 lays down that where an officer takes down any information in writing under sub-Section (1) or records grounds for his belief under the proviso thereto, he shall within 72 hours send a copy thereof to his immediate official superior. It can, therefore, be seen from the reading of the above provision contained under Section 42 of the Act that the source of information to the Officer, which prompted him to conduct search and seizure, can be two fold. Firstly, belief from personal knowledge and secondly, information received from any person. The proviso enables the Officer to conduct search and seizure without obtaining a search warrant or authorization under certain circumstances, but after recording grounds of his belief. Thus, whatever be the source of the information, whether it was based on personal knowledge or information given by any person, the grounds for believing that any narcotic drug, or psychotropic substance, or controlled substance is kept or concealed in any building, conveyance or enclosed place proposed to be searched has to be recorded, when the officer intends to carry out the search and seizure without obtaining