The move comes after attacks on police personnel and officials of the Mines and Geology Department by the sand mafia were reported from several districts. "Instructions to construct checkposts were issued to district authorities in a recent meeting chaired by the director of the Mines and Geology Department of the state government," an official said.
Explorations near Patalganga in Gaya, parts of Rohtas district and Majos in Jamui district found the presence of millions of tonnes of mineral reserves.