I like going to the Himalayas. The love affair started in 1961, when I trained at the Himalayan Mountaineering Institute, Darjeeling, under Tenzing and his nephew, Nawang Gombu. I continued this, with a stint as Deputy Commissioner, Lahaul-Spiti, under the great Punjab Chief Minister, Kairon. A February winter crossing, of the Rohtang Pass, remains a…