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Mumbai: The under-construction Mumbai Metro Line 7A on Monday, 14th July 2025, marked a significant milestone with the successful breakthrough of the upline tunnel, the second and final tunnel of the corridor connecting Andheri (East) to Chhatrapati Shivaji Maharaj International Airport. The initial drive of the TBM named Dhruv started on 4th November 2023. The length of this upline tunnel is about 1.65 km, which requires the installation of 1178 rings of 1.4m length for the tunnel lining. The ...Read More >
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