Mumbai, Aug 11 (PTI) The Directorate of Revenue Intelligence (DRI) busted a mephedrone manufacturing unit in Maharashtra's Nagpur city and arrested four persons, an official said on Sunday.

Acting on a tip-off, a DRI team searched an under-construction building in the Paachpavli area on Saturday and found a small laboratory in the structure, the official said.

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He said the team found chemicals, materials and machinery required to manufacture mephedrone at the scene.

The accused had already prepared more than 50 kg of mephedrone in liquid form, and were in the process of making the crystallized or powder form, the official said.

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At least 51.95 kg of liquid mephedrone worth Rs 78 crore, besides raw materials and equipment, were seized, he said.

The mastermind or financier of the operation and his three accomplices involved in manufacturing the drug were arrested under the Narcotic Drugs and Psychotropic Substances (NDPS) Act, the official said.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)