He started his political career in 1929, when he became an unopposed member of the Punjab Legislative Council from Jehllum rural (Chakwal) constituency. In 1937, when elections were held under Government of India Acting 1935, he was elected as an M.L.A as a member of Unionist party.
Raja Mohammad Sarfraz remained member of the Punjab Legislative Assembly for 29 consecutive years from 1929 to 1958. He was a member of Allama Mashriqi"s Khaksar Tehrik. He was also member of the district council and became counsel Chairman in 1942.