This is how Sonam Wangchuk's solar-powered tent for Indian Army works
Ladakh-based engineer & education reformist #SonamWangchuk has built a solar powered military tent for the #IndianArmy at the #GalwanValley. Wangchuk, who had previously succeeded in his solar-heated mud hut project, built a tent that could accommodate 10 jawans and is fully portable with the weight of the tent being less than 30 kilos.