There are reasons to push solar beyond its low price — it’s a much healthier option in a country that is home to 13 of the world’s 20 most polluted cities.
The environmental benefits of solar will be even more pronounced if its rise comes at the expense of coal, which currently makes up 60% of India’s energy production. India’s coal has a high ash content, and it releases toxins and metals into the air when burned.
http://money.cnn.com/2016/03/07/technology/india-solar-energy-coal/