LUCKNOW, July 5 -- A Mathura man, who was arrested in Delhi on June 29 by the National Investigation Agency (NIA) for his links with the banned CPI (Maoist), supplied drones to Naxalites and trained them to operate the equipment and keep watch on security forces' activities in the forest areas of Bihar, Jharkhand and Odisha, NIA officials privy to the investigation confirmed.

During interrogation, the man identified as Vishal Singh revealed he had been supplying drones and providing operational training in dense forests for the past seven years, the officials said.

The officials confirmed that Vishal Singh, the key accused in the revival of a CPI (Maoist) Northern Region Bureau (NRB), had delivered drones to leaders of the banned outfit...