Officials of the Mumbai zone of the Narcotics Control Bureau on Saturday busted a major drug trafficking syndicate operating out of Dongri and seized 20 kg of mephedrone, estimated to be worth Rs 50 crore. The agency also arrested three members involved in the racket, including a woman.

According to officials, the NCB had received specific information about a group actively involved in bulk quantity trafficking and distribution of the drug in various parts of the Mumbai Metropolitan Region. Investigations led the NCB to a Dongri-based person named N Khan.