[1] A prominent member of the Rana oligarchy, he fought valiantly in the First World War.

He was the younger brother of Maharaja Sir Mohan Shamsher Jang Bahadur Rana and older brother of Field Marshal Sir Kaiser Shamsher Jang Bahadur Rana.

[citation needed] Sir Baber Shumsher Jang Bahadur Rana was born to Maharaja Chandra Shamsher Jang Bahadur Rana, T'ung-ling-ping-ma-Kuo-Kang-wang, Maharaja of Lamjung and Kaski, GCB and Bada Maharani Chandra Loka Bhakta Lakshmi Devi on 27 January 1888, at Kathmandu.

However he was a bete noire in the eyes of the Nepali Congress, and was replaced by his younger brother, Singha Shamsher Jang Bahadur Rana on 10 June 1951.

[7] His brother Kaiser Shumsher Jang Bahadur Rana, died four years later at the same age.