His father, Kaji Bal Narsingh Kunwar, was the bodyguard of King Rana Bahadur Shah and the governor of Dhankuta(1828–1832), Dadeldhura(1833–1835) and Jumla(1835–1837).

[5] He was first in line to be the Prime Minister of Nepal after Jung Bahadur Rana but due to his premature death at 39 years of age the roll of succession passed to Ranodip Singh Kunwar.

His youngest son, Bambir Bikram Rana, was sent into exile and imprisoned in south India after Shumshers' 1885 Nepal coup d'état.

Jung Bahadur Rana forced King Surendra Bikram Shah to make the official decree and he was appointed the Prime Minister of Nepal.

He made an extensive plan to survey the Terai lands of Nepal and assess new revenue standards as a way to balance the national budget.