Updated On: 20 September, 2025 01:26 PM IST | Mumbai | mid-day online correspondent
The tunnel, excavated using the New Austrian Tunnel Method (NATM), is part of the 21 km underground stretch between the Bandra-Kurla Complex (BKC) and Shilphata, including a 7 km segment beneath Thane Creek

Pic/MMRDA
A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the Mumbai-Ahmedabad bullet train project on Saturday morning, the National High Speed Rail Corporation Limited (NHSRCL) said.
Union Railway Minister Ashwini Vaishnaw was present at the Ghansoli shaft when this breakthrough was achieved by way of a controlled blast.