India’s first underwater metro project is in Kolkata. It started in March 2024 and has a part of its metro line running beneath the Hooghly River, making it a remarkable engineering achievement.
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India’s first underwater metro project was launched in Kolkata in March 2024. This metro route includes a tunnel that runs beneath the Hooghly River, connecting important parts of the city. It is a major milestone in India’s urban transportation infrastructure, offering faster connectivity and showcasing advanced tunneling technology. Alongside international examples like the Thames and Channel Tunnels, Kolkata’s underwater metro stands as a modern marvel of engineering in Indian rail transit.
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