The Mumbai-Ahmedabad High Speed Rail project is witnessing rapid developments as construction continues without breaks at the Shilphata portal. This site is a crucial part of the 21-kilometer tunnel that will connect Bandra Kurla Complex with Shilphata. The National High Speed Rail Corporation Limited is currently managing multiple work fronts including machine assembly and structural finishing to meet the project deadlines.
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Progress updates on the 21-kilometer tunnel section
The tunnel construction is split into different technical phases. NHSRCL announced that 5 kilometers of the tunnel have been fully excavated using the New Austrian Tunneling Method. Current activities at this site involve installing drainage systems and concrete lining. For the remaining 16 kilometers, specialized Tunnel Boring Machines are being assembled. This section is particularly notable as it features India first 7-kilometer undersea tunnel located under Thane Creek.
Recent technical milestones and station updates
Multiple achievements have been recorded in the first half of April 2026 regarding machine deployment and station work. The assembly of the second Tunnel Boring Machine at Savali is currently taking place 39 meters below the ground level. This machine is expected to start its drive toward Vikhroli in July. Additionally, structural work for the Anand station is now finished.
| Milestone Date | Achievement Details |
|---|---|
| April 9, 2026 | Lowering and assembly of TBMs started for the 16km section |
| April 11, 2026 | Second TBM assembly began at Savali near Ghansoli |
| April 15, 2026 | Anand station structural work and roof construction completed |
| August 15, 2027 | Target date for first Bullet Train operations in India |