Explain the result of non-production of material evidence by using Sec 465 Cr.P.C in NDPS case?

Narcotic Drugs and Psychotropic Substances Act, 1985—Section 8/21(b)—Recovery of smack powde- the alleged narcotic powder seized from the possession of the accused, including the Appellant was never produced before the trial court as a material exhibit and once again there is no explanation for its nonproduction. There is, thus, no evidence to connect the forensic report with the substance that was seized from the possession of the Appellant or the other accused.