[2] He was the eldest son of Bada Kaji Amar Singh Thapa, supreme commander of Western front.

[4][2] He was great grandson of Ranjai [of Sirhanchowk] and grandson of Bhim Sen,[4] known as Umrao Bagh Bhim Singh Thapa, who died in the battle of Palanchowk in 1759 AD.

[4] He was functioning deputy to Mukhtiyar (Prime Minister) during the Anglo-Nepalese war.

[1] Mukhtiyar Bhimsen Thapa had to share administrative authority with him.

[6] He retired as Kaji of Nepal in the year 1831 A.D.[4] His two sons, Ripu Mardan Thapa and Badal Singh Thapa, also retired as Kaji of Nepal.