Code of Criminal Procedure, 1973–Sec. 273–Narcotic Drugs & Psychotropic Substances Act, 1985–Secs. 8/18 & 29–Court below failed to record the evidence in presence of petitioner-accused despite he was in judicial custody–Further, the application for his presence was dismissed with the view that the petitioner is represented through the counsel–Compliance of provisions of Sec. 273 is mandatory–Impugned order is set aside, and trial Court is directed to examine the witnesses afresh in the presence of petitioner.