CGNet Swara is an effort by Microsoft Research's "Technology for Emerging Countries" research group to make lives of people (mostly adiwasis in the Gondwana region) better by providing them a method to register their voice on web. The portal is gaining popularity as it is able to bring changes in peoples lives.
Community radio and how it could be used for improving communication across villages in India.
A similar initiative on a different note to increase citizen participation in civic governance
I have had discussions with these founders, on the role of technology in enriching the lives of people and feel there should be more awareness about such initiatives in the Indian society.