Hanse's body was found buried in the remote Tarapung area under Chokihola police station of the district.
He was shot dead on May two in a camp inside the forest allegedly by an unidentified member of the militant outfit, the sources said.
Hanse's body was later buried inside the jungle and police launched a search operation in the area to trace it out after locals informed them about the incident.
Earlier, the outfit's Chairman Nilip Ingti was killed in a joint operation by the army and police on April 19 last. on July 12 last year the KPLT founder chairman Apang Ingti was also shot dead in a joint operation of security forces.
After the death of its top leaders, Sarap Tunjai was the new chairman of the underground group involved in killings, extortions, kidnappings and other subversive activities.