Narcotic Drugs & Psychotropic Substances Act, 1985–Sec. 8/18–Conviction–Sustain-ability–It is not clear when the proceedings u/s. 52 had already been carried and the muddamal was deposited in Govt. opium factory, how the contraband could have been produced before the Court–Prosecution deliberately withheld the photographs, inventory and the samples prepared u/s. 52-A–Adverse inference–Further, statements of appellant u/s. 67 are not admissible in evidence as he was confined in police station before recording the statements–Appellant is entitled to be acquitted.