Biplab Ketan Paul, Ashoka Fellow and Social Entrepreneur

We are trying to help ultra poor farmers of India, Bangladesh, Vietnam and Africa with our World Bank and UNFCCC awarded innovation BHUNGROO. we manage rainwater to save farmers standing crops from rain and also to ensure irrigation water during summer. 

https://www.bfi.org/dymaxion-forum/2017/10/bhungroo-wins-2017-buckminster-fuller-challenge