Colonel Sardar Partap Singh, was the son of Sardar Buddh Singh Randhawa, rose to be a colonel in the army of Maharaja Ranjit Singh Of Lahore. His grandfather, Sahib Singh, who was the first in the family to have been initiated a Sikh about 1770, joined Jai Singh, leader of the Kanhaiya misl, and brought under his possession some thirty villages surrounding Kathu Nagil, in Amritsar district. He was survived by his two sons, Jit Singh and Buddh Singh. Partap Singh’s father, Buddh Singh, tendered allegiance to Ranjit Singh and served in his army, participating in campaigns in Hazara, in the Yusafzai country and in Kashmir. Partap Singh was given an assignment in the Ghorcharha Kalari Regiment and was later appointed adjutant in the Pahuwindia Regiment. In 1840, he was promoted to the rank of commandant. In 1842, he was made a colonel and was granted a jagir worth Rs 1,000.
Partap Singh died issue less in 1844.
- Griffin, L.H, The Punjab Chiefs. Lahore, 1890