Sonam Wangchuk, who is famously known as 'the real-life Phunsukh Wangdu from 3 Idiots film', has invested solar-heated tents for soldiers posted at sub-zero degree temperatures in Ladakh. The military tends can keep temperatures inside at 15 degree Celsius even as the minimum temperature outside may be minus 14 degree Celsius. <br /> <br />India Today's Gaurav Sawant visits the innovative tents and brings you a ground report from Ladakh.
