Jawahar Singh joined the service of Maharaja Ranjit Singh in 1836 along with his brother Jaimal Singh. He proceeded to Peshawar with Lahina Singh when the latter marched out to relieve the Sikh army after the battle of Jamrud in April 1837. Jawahar Singh also served under Lahina Singh in the hill country of Mandi. The Khunda sarddrs remained the hereditary jagirddrs of the Majithia sarddrs until the annexation of the Punjab in 1849.
References :
1. Griffin, Lepel, and C.Â¥. Massy, Chiefs and Families of Note in the Punjab. Lahore, 1909