Athar Mohammad looks at how water ATMs are quenching the thirst of the capital city.
Internet finally comes to the highest places in the country, through volunteer engineer trekkers, and the sun.
A solar toilet complex in Thane is making everyone happy- residents, readers, and of course, relatives.
About Sumangala Patil, and how the sun changed her life.
Area man amassing both wealth and good karma
Solar energy could be the key to lighting up a billion lives.