The incident took place in the forests near Burkapal paramilitary camp under Chintagufa police station limits whilea road opening party of security forces was conducting its task,Sukma Additional Superintendent of Police Santosh Singh said.
Three jawans belonging to CRPF's 74thbattalion sustained minor injuries in the explosion, he added.
While cordoning off a near the camp, around 500 kms away from the state capital, a jawaninadvertently stepped over apressure improvised explosive device (IED)triggering theblastinjuring two more others, the ASP said.
Soon after getting information of the incident, reinforcement was rushed to the spot and the injured were brought to the camp where they were being treated, he added.