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Another tunnel breakthrough on Delhi-Ghaziabad-Meerut RRTS
Tunnel boring machine Sudarshan 4.3 made the breakthrough from the retrieval shaft constructed opposite the Vaishali Metro station in Ghaziabad.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://indianexpress.com/article/cities/delhi/delhi-ghaziabad-meerut-rrts-tunnel-breakthrough-8608369/
Another tunnel breakthrough on Delhi-Ghaziabad-Meerut RRTS
indianexpress.comTunnel boring machine Sudarshan 4.3 made the breakthrough from the retrieval shaft constructed opposite the Vaishali Metro station in Ghaziabad.