Maharashtra Minister of State for Home Pankaj Bhoyar on Thursday said that an investigation is underway into the origins of the drug racket uncovered in Wardha district a few days back, news agency PTI reported.

The Directorate of Revenue Intelligence, in a recent breakthrough, busted a mephedrone manufacturing unit. The DRI also seized 128 kg of the banned drug, valued at Rs 192 crore in Wardha.