Second Mountain Tunnel Breakthrough Achieved in Palghar, Maharashtra for Mumbai–Ahmedabad Bullet Train Project

MT-6 mountain tunnel (454 m long, 14.4 m wide) breakthrough achieved at Palghar, Maharashtra on 3 Feb 2026 for the Mumbai–Ahmedabad High-Speed Rail (MAHSR) corridor.
Second mountain-tunnel breakthrough in Palghar within ~1 month (after MT-5 on 2 Jan 2026); part of 7 mountain tunnels under progress in the district.
Relevant for UPSC under infrastructure, India–Japan ties, technology (NATM, Shinkansen), and federal project execution.

​​​​​​​Second Mountain Tunnel Breakthrough Achieved in Palghar, Maharashtra for Mumbai–Ahmedabad Bullet Train Project