Police apprehended a man and recovered a large number of contraband drugs from a courier service in Assam’s Nagaon district on Saturday night. The apprehended man has been identified as Sariful Islam. Based on secret information, the police team conducted a search operation in the Haiborgaon area in the district and recovered five cartons of prohibited cough syrup bottles from a courier service. A few days ago, Assam police seized a huge quantity of drugs from a Tripura-bound truck.