[5](p106) The British contingent included Chris Bonington and Nick Estcourt, they started a summit attempt with two Indian climbers but that was unsuccessful.
Dorjee and Balwant Sandhu then joined Bonington and Estcourt on a summit attempt but they stepped back because supplies were limited.
[5](p162) Dorjee was one of the four members of the party who successfully made the first ascent of the west peak of Saser Kangri II, 7,500 m (24,600 ft), following a route from the north.
[9] Then in October 1986 he visited Chomo Yummo 6,829 m (22,405 ft) with an expedition led by Maj Gen P. L. Kukrety for selecting the team to go to Kangchenjunga the following year.
[7] It was concluded that Dorjee and his two compatriots, Choten Tsering and Fupu Bhutia, had reached the top and then been swept off the mountain during their descent.