The last horse-drawn tonga went off Delhi
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/urban-immobility-threatens
[2] http://admin.indiaenvironmentportal.org.in/category/author/b-g-verghese
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cng
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-transport
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-roads
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mobility-planning
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/high-capacity-bus
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse-study
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cse
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi