Narcotic Drugs & Psychotropic Substances Act,1985–Sec. 20–Conviction–Sustainability–Site plan prepared by the Police Officer is not found matched with the actual location–This indicates that the location of the police vehicle used for nakabandi was wrongly mentioned–Prosecution failed to prove the scribe/author of the arrest memo–Claim of police that the location of arrest was uninhabited whereas the defence of appellant that he was arrested from the bus stand and there was no public witness of recovery–Held, conviction of appellant deserves to be set aside.