Published on : 22 Sep 2025, 10:30 am 2 min read

A major breakthrough has been achieved on the Mumbai–Ahmedabad bullet train project with the , constructed using the New Austrian Tunnelling Method (NATM). The tunnel is part of a 21 km underground stretch from Bandra Kurla Complex to Shilphata, which also includes a 7 km undersea passage beneath Thane Creek.

and the full corridor ready by 2029.

🚄 Major milestone for the Bullet Train Project!

Breakthrough achieved in the 4.88 km section of Bharat’s first undersea tunnel under Thane Creek. 🇮🇳 pic.twitter.com/g002aF2Oa5 — Ashwini Vaishnaw (@AshwiniVaishnaw) September 20, 2025

Major project milestones achieved so far

National High Speed Rail Corporation Limited (NHSRCL) has reported significant progress on the 508-km corridor

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