The security forces caught Maoist cadre Suresh Paswan during a combing operation, Superintendent of Police Manu Maharaj said.
A printer and scanner were seized from the possession of the ultra, who was said to be the self-styled sub-zonal commander of Rohtas and Sonebhadra region, he said.
A native of Nawadih village, Paswan was wanted in at least 18 cases of violence and related activities in the district and adjoining area across Bihar and Uttar Pradesh, SP said.