The incident occurred when a contingent of paramilitary was engaged in operation of providing security to a road- construction work between Awapalli and Basaguda under Awapalli police station limits this afternoon, Bijapur Additional Superintendent of Police Indira Kalyan Elesela told PTI.
During the operation, one of the jawans accidentally stepped on a pressure bomb planted by maoists which exploded, injuring him seriously, the ASP said.
The injured, Lakhinath, a constable belonged to the 65th battalion of CRPF and is a native of Assam, he said.
Later during a search near the blast site, a seven kg explosive placed under the land, a detonator and iron splinters were recovered by the bomb disposal squad (BDS), he said.