Narcotic Drugs & Psychotropic Substances Act, 1985–Sec. 8/21(b)–Conviction–Sustainability–Powder which was seized from the possession of appellant, was not produced before Court as a material exhibit–No reason was also explained–No evidence to connect the FSL report with the substance that was recovered from appellant–Held, the appellant is entitled to get the benefit of the doubt–Conviction set aside.