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First Tunnel Breakthrough achieved for Delhi section of Delhi-Ghaziabad-Meerut RRTS Corridor

    Rohit Agarwal
    By Rohit Agarwal Replies (1)

    The tunnel Boring Machine (TBM), Sudarshan 4.1 made the breakthrough from the tunnel retrieval shaft constructed at Khichdipur, Delhi

    https://www.metrorailnews.in/first-tunnel-breakthrough-achieved-for-delhi-section-of-delhi-ghaziabad-meerut-rrts-corridor/

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