UNDERGROUND CHENNAI METRO | Koyambedu - Nehru Park | Inauguration & First Ride | Full Coverage - YouTube
World Class Mumbai Underground Metro - An engineering wonder - YouTube
Construction of Bangladesh's first underground metro line to begin March 2022 | Dhaka Tribune
Metro rail
Four underground Chennai metro stations ready for trains
Bids invited for construction of underground stretch of corridor-5 of Chennai Metro | Urban Transport News
Kolkata to get first underground metro station in 25 years | Kolkata - Hindustan Times
Mumbai Metro Line 3: Everything you need to know | Housing News
Does any Indian city has underground metro rail system? If not, why? - Quora
Siemens Mobility to deliver the new metro trains for London's Tube | Press | Company | Siemens
London Underground map: The only six cities in the world with more Tube stations than London - MyLondon
Is underground transit bad for your health? - USC News
Namma Metro: Bengaluru's Namma metro 2nd longest after Delhi metro - The Economic Times
London UK January 2021 Underground Tube Metro Train Stopped on a Platform Station in London, Doors Open with No People, UKs Editorial Image - Image of pandemic, platform: 211115590
Chennai Metro's First Underground Stretch To Be Inaugurated Today
Chennai Metro Rail conducts trial run on underground line | Chennai News - Times of India
CMRL issues four underground civil tenders for Chennai Metro Phase 2 | Urban Transport News
Namma Metro train completes journey on underground stretch | Deccan Herald
