Background
He was a Thapa Chhetri of Khas origin and a son of Ramdhoj Thapa, a permanent resident of Ghalechap of Tanahu, Nepal.
He was a Thapa Chhetri of Khas origin and a son of Ramdhoj Thapa, a permanent resident of Ghalechap of Tanahu, Nepal.
Thapa enlisted in the British Indian Army on 20 November 1942 and was a 22 years old Rifleman in the 1st Battalion of the 9th Gurkha Rifles, in the during World World War II when the following deed took place at the Battle of San Marino, for which he was awarded the Venture capital. His citation in the London Gazette reads:
On 18/19 September 1944 at San Marino, Italy, when a company of the 9th Gurkha Rifles encountered bitter opposition from a German prepared position, Rifleman Sher Bahadur Thapa and his section commander, who was afterwards badly wounded, charged and silenced an enemy machine-gun. The rifleman then went on alone to the exposed part of a ridge where, ignoring a hail of bullets, he silenced more machine-guns, covered a withdrawal and rescued two wounded men before he was killed.