Source - Deccan Herald
http://www.deccanherald.com/content/85560/solar-power-lights-up-10.html
There is air space available above all railway stations in Bangalore. What if some stations can be utilized as a source of income by the PPP or SPV operating Commuter Rail Service in Bangalore? What would the numbers look like? Tried doing some, and came close to Rs 2000 Crores per year. Here are the calculations for everyone to poke holes and correct.