In 1961 A nine-member team comprising Gurdial Singh and Hari Dang of the Doon School, Major John D. Dias, Captain K. N. Thadani and Lieutenant (Dr.) N. Sharma of the Indian Army, and Suman Dubey, of Delhi and three sherpa from Darjeeling Kalden, Nima and Lhakpa all climbed on 21 June, the second ascent of Maiktoli.