Delhi Metro - Wikipedia
World Class Mumbai Underground Metro - An engineering wonder - YouTube
Underwater metro tunnel in Kolkata - India's first - to be ready in 2023 | Latest News India - Hindustan Times
Mumbai's First Underground Metro Line To Be Operational Soon In 2023
India's Longest Underground Tunnels of Metro Lines
Kolkata All Set For India's First Underwater Metro Services | Good News Today - YouTube
Underground metro station under construction in Mumbai,India : r/InfrastructurePorn
East-West Metro Underground Twin Tunnels, Kolkata, India - Railway Technology
Kolkata first underground metro station 25 years | India News – India TV
Why Most Metro's Are Elevated in INDIA and Not Underground || HINDI || हिंदी || - YouTube
India's first underwater Metro line in Kolkata: A look at newly opened station | Mint
Eight firms bid for ₹1,250 crore underground construction contract for Kanpur Metro | Urban Transport News
Mumbai Metro: Inside the first underground train of this overcrowded city | Business Standard News
Pune Metro completes underwater tunnel below Mutha River | Urban Transport News
Underground or Elevated Metro Rail – Which one is better for India?
Urban rail transit in India - Wikipedia
Delhi Metro | Reuters.com
India's first underground metro. - Review of Metro Railway, Kolkata (Calcutta), India - Tripadvisor
The long and short of underground Metro | Pune News - Times of India
India's Longest Underground Tunnels of Metro Lines
Infra Watch: Pune metro rail completes underground tunnel across Mutha river | Cities News,The Indian Express
First underground metro train in Chennai to run from Sunday | Chennai News - Times of India
San Francisco's Central Subway will open soon: here's when you can ride it
Metro rail connectivity: 15 more cities will soon have metro rail in India: Check details here
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
