The next time you plug your mobile charger into a socket on a train, it might be powered by solar energy.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/soon-train-coaches-may-be-lit-sun
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rail-transport
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pathankot
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/jalandhar-d
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/punjab