Mohan Singh joined the Jatha (group of protesters) in 1924 to
Jaito in
Nabha State against the atrocities by Britishers in Gurdwara Gangsar Jaito. He was also injured in the firing of Police but after treatment he again joined the protest. He remained in jail from 1924 to 1925. In 1926 joined
Shiromani Gurdwara Prabandhak Committee. Then he appointed the
Jathedar of Akal Takht from 1935 to 1952. During his tenure he also became the President of SGPC. As President he gave special attention to bringing symmetry to the
Harimandir Sahib surrounding. After the Independence he joined Congress party in 1948 with other Akali politician. In 1952 he contested Punjab Assembly election from Tarn Taran Assembly constituency and won the election. He again elected in 1967 on the ticket of Akali Dal Sant. He also served the member of Punjab Subordinate Service Selection Board from 1958 to 1963. He died on 2 March 1969 after a prolonged illness in Amritsar. ==References==