JAIPUR: The National Investigation Agency (NIA) has begun its investigation into a case involving the recovery of 150 kg explosive material, identified as ammonium nitrate, from a car in Tonk district of Rajasthan, an official said.
An NIA team reached Tonk on Thursday, and started questioning the accused in connection with the seizure.
Earlier, the District Special Team (DST) had arrested two accused -- Surendra and Surendra Mochi -- both residents of Chironj village under Barauni police station limits, on Wednesday.
Following the recovery of the explosive material, security agencies were placed on high alert in the district.