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Innovator Sonam Wangchuk develops solar heated tent for Army personnel

Innovator and educationist Sonam Wangchuk, the real life Phunsukh Wangdu of Bollywood blockbuster '3 Idiots', has developed an eco-friendly solar …
Innovator and educationist Sonam Wangchuk, the real life Phunsukh Wangdu of Bollywood blockbuster '3 Idiots', has developed an eco-friendly solar …