Police on Friday made public a youth who was arrested with a huge cache of controlled psychoactive drugs worth Rs 1 million in Dharan, Sunsari. Police arrested Nabin Gurung of Dharan-5, in possession of 2200 ampoules of diazepam, lupigesic and avil tablets on Thursday. Acting on a tip-off, police raided Gurung’s rented room in Pindeshowri Chok and found the drugs hidden inside a pressure cooker carton. According SSP Uttam Kumar Karki, Gurung was held following the launch of “operation delta” targeting Dharan. Police launched the operation in all six districts of Koshi to crackdown on supply and sale of narcotics.