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Delhi Metro deploys ‘intelligent’ tunnel boring machine

    Ansh Chaturvedi

    The length of the tunnel is approximately 3 kilometres. The depth of tunnelling will vary from 12.4 meters at Derawal Nagar station up to 25.9 m near the Najafgarh Drain.

    https://www.newindianexpress.com/cities/delhi/2023/jun/03/delhi-metro-deploys-intelligent-tunnel-boring-machine-2581486.html

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