Jassa Singh`s father first served the Kanhaiyas and, after their fall, Maharaja Ranjit Singh. When Desa Singh Majithia look over governorship of the hill districts lying between tlie Beas and the Ravi, both Jassa Singh and his father served under him, performing military as well as civil duties. Jassa Singh held charge of the Golden Temple at Amritsar for two years under Lahina Singh Majithia. He continued to be in the employ of the Sikh government until the advent of the British who dispensed with his services. He was allowed to retain lands worth Rs 2,800 annually, mainly in Gurdaspur district. His son, Harnam Singh, served as deputy inspector of police under the British.
References :
1. Griffin, Lcpcl, and C.F. Massy, Chiefs anil Families of Note in the Punjab. Lahore, 1909