[2] From 1962 to 1969, Ochirbat served as head of the Ideological Department of the MPRP Central Committee, of which he was a member fom 1966 to 1992.
He studied at the Academy of Social Sciences of the Soviet Communist Party Central Committee, graduating with a higher degree in philosophy in 1972.
[2] Ochirbat was ousted from the MTU in May 1982 by leader Yumjaagiin Tsedenbal, and then worked in the Ministry of Education and the Institute of Social Sciences.
After Tsedenbal's fall, Ochirbat was made the acting deputy head of the Cadres Department of the MPRP Central Committee from 1985 to 1988.
He was then the Mongolian representative on the editorial board of the communist journal Problems of Peace and Socialism, published in Prague.