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India’s 1st underwater metro starts in West Bengal
India's first underwater train started in Kolkata which will go through a tunnel built inside Hooghly river. It will connect Kolkata to Howrah. Experts from Russia and Thailand also gave their inputs to built this underwater tunnel successfully inside the Hooghly river.
India's first underwater train started in Kolkata which will go through a tunnel built inside Hooghly river. It will connect Kolkata to Howrah. Experts from Russia and Thailand also gave their inputs to built this underwater tunnel successfully inside the Hooghly river.
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