The recovery were made when security personnel of the 174th battalion of CRPF and District Armed Force were on anti-naxal operation 'Dhanus' in the jungles near Tirilposi under Jeraikela police station limits last night, said Additional Superintendent of Police (Chakradharpur), Alok Priyadarshi.
Priyadarshi said explosives for making bombs including codex and electric wire, safety pins, screws and welding machines were recovered in large quantities from the spot.
Five live bombs were also recovered by the security personnel and were defused, he added.