Centre issues parameters for metro rail systems under 'Make in India initiative' | Latest News India - Hindustan Times
South India's first underground metro flagged off - South India's first underground metro flagged off | The Economic Times
List of metro systems - Wikipedia
Underground or Elevated Metro Rail – Which one is better for India?
East-West Metro Underground Twin Tunnels, Kolkata, India - Railway Technology
India's first underwater Metro line in Kolkata: A look at newly opened station | Mint
Pune Metro completes underwater tunnel below Mutha River | Urban Transport News
Indian Metro Rail Networks: Quick Guide, Routes Map, Start Date
India's first underground metro. - Review of Metro Railway, Kolkata (Calcutta), India - Tripadvisor
Building a Subway in One of the World's Most Crowded Cities
World Class Mumbai Underground Metro - An engineering wonder - YouTube
People at underground subway metro platf... | Stock Video | Pond5
First underground metro train in Chennai to run from Sunday | Chennai News - Times of India
Kolkata All Set For India's First Underwater Metro Services | Good News Today - YouTube
Namma Metro train completes journey on underground stretch | Deccan Herald
Delhi Metro - Wikipedia
India's Longest Underground Tunnels of Metro Lines
The long and short of underground Metro | Pune News - Times of India
India's Longest Underground Tunnels of Metro Lines
Urban rail transit in India - Wikipedia
What the Subway Is Like in 16 Different Cities.
East West Corridor Kolkata Metro underwater train Kolkata Metro: India's first under-water train to run between Salt Lake & Yuva Bharati Krirangan from Feb 13 | India News
Does any Indian city has underground metro rail system? If not, why? - Quora
A Beginner's Guide to the Delhi Metro | Intrepid Travel Blog
Delhi Metro Vs New York City Subway: the US Is Lagging Behind
