Links:
[1] http://admin.indiaenvironmentportal.org.in/news/brts-finds-new-tech-vendors
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-ahmedabad
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-capacity-bus
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/technology
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ahmedabad-t
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gujarat