Srinagar: Innovator and educationist Sonam Wangchuk, the real life Phunsukh Wangdu of Bollywood blockbuster '3 Idiots', has developed an eco-friendly solar heated tent that Army personnel can use in extremely cold places like Siachen and Galwan valley in the Ladakh region. While Wangchuk extensively referred to last year's India-China stand off in Ladakh, he said he had made an earlier …
