Effect–Provisions of S. 103 Cr.P.C. have been excluded under provision of S. 25 of Control of Narcotic Substances Act, 1997 and provision of S. 20 thereof, being directory in nature, non-compliance of provision of S. 103 Cr.P.C. cannot be considered a strong point for holding that trial of appellants was bad in eyes of law–Defence plea that recovery witnesses being police officer, their evidence was not reliable and should be discarded was repelled on the ground that police officers were competent witnesses of recovery memo–Police Officers were as good witnesses of recovery as private witnesses