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30, Apr 2025
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India's first underwater train – Kolkatta

August 17 , 2019 2083 days 2854 0
  • India's first underwater train project in Kolkata is almost complete.
  • The rail route is under Hubli river.
  • This 16-kilometer long Kolkata Metro project will connect Salt Sector 5 with Howrah Maidan.

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