Harish Hande had a strong belief in the potential of solar energy for solving energy utility issues, and decided to take the challenge head on.
A Bangalore-based firm devises a finance system to help rural households access solar energy.
Two Indian enterprises have won top prizes at this year's prestigious Ashden Awards for sustainable energy, popularly known as the 'Green Oscars'.
Harish Hande, who has been honoured recently with a prize for social entrepreneurship, has made it his business to take solar power to every un-lit home.
Bunker Roy, founder of the Barefoot College at Tilonia in Rajasthan, was awarded the Clinton Global Citizen Award at a ceremony in New York on September 25.