First Mountain Tunnel Breakthrough Achieved in Bullet Train Project at Palghar, Maharashtra: Shri Ashwini Vaishnaw

• MT-5, a ~1.5 km mountain tunnel between Virar and Boisar stations in Palghar district, Maharashtra, achieved breakthrough on 2 January 2026 — the first mountain tunnel breakthrough of the Mumbai-Ahmedabad High-Speed Rail (MAHSR) project in the state.
• Flagship strategic infrastructure project under Ministry of Railways, executed by NHSRCL with Japanese JICA ODA support; a recurring Prelims/Mains hook for GS-III infrastructure.