As India celebrates the festival of lights, millions across the country continue to go without power to light up their homes. With growing shortage in coal and gas, things could only get worse. In a scenario like this, experts Sanjay Chakravarti, partner and leader of Cleantech, E&Y, Sumant Sinha, chairman and CEO, ReNew Power, and Rajat Misra, senior vice president - project advisory and structured finance, SBI Capital Markets, discuss if renewable energy can be a real solution to India's protracted power crisis.