Construction of the longest tunnel in the city, through which high-speed Delhi Metro trains will zip in a couple of months, was completed in the heart of the capital on Wednesday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/dmrc-makes-longest-tunnel
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-transport
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/metro
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi-metro-rail-corporation-dmrc
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi