There are shiny, air-conditioned and arguably world-class metro trains operating in 10 Indian cities as we speak.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/our-metro-rail-systems-are-classic-example-how-our-planners-miss-woods-trees
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-line-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-metro-rail-corporation-dmrc
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-transport-corporation-dtc
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport