On Saturday, the Narcotics Control Bureau (NCB) has busted a drug trafficking racket by arresting three persons here and recovering 20 kg of mephedrone, worth Rs 50 crore, cash and gold ornaments in search operations, an official said, PTI reported.

The NCB's Mumbai zonal unit had received information about a drug syndicate operating out of Dongri area, involved in trafficking and distributing mephedrone in various parts of the city, the official told PTI.