The Mumbai crime branch have busted a mephedrone factory in Sangli and seized Rs 3.46 crore cash from the residence of the main accused in what is emerging as an interstate drug production and distribution racket.

The raid was busted by the Unit VII of the Mumbai Police crime Branch on Friday. Unit VII officials started the probe with the arrest of a woman who was found to be in possession of 641 grams of mephedrone, and through her interrogation, arrested nine more accused, including Pravin Shinde, 37, from Bhiwandi.