Chetan Singh Solanki is a solar scientist, climate yogi, and former professor at IIT Bombay, widely known as the Solar Man and Solar Gandhi for his pioneering work in sustainability. He earned his PhD in Europe, has travelled to more than thirty countries and has spoken on global platforms, including the United Nations in Geneva. In 2020, he began the Energy Swaraj Yatra―an eleven-year journey across India in a solar-powered bus.