Bullet train project: 80 per cent of excavation work at BKC station completed

Of the 21-km-long underground and undersea tunnel between BKC and Shilphata in Thane district, 16 km is being excavated using Tunnel Boring Machines and 5 km with the help of the New Austrian Tunnelling Method, said the National High-Speed Rail Corporation of India Limited (NHSRCL) in the release
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