The Delhi Metro lost over 40 per cent of its ridership following two fare hikes in 2017.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/arvind-kejriwal-says-he-sad-over-metro%E2%80%99s-%E2%80%98unaffordability%E2%80%99
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/asian-age-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/transport
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse