Bullet train milestone: First mountain tunnel breakthrough achieved in Maharashtra's Palghar

India's bullet train project achieved a significant milestone with the breakthrough of a 1.5-km mountain tunnel in Palghar, Maharashtra. This marks the first mountain tunnel completion on the Mumbai-Ahmedabad corridor. With this, the stretch between Thane and Ahmedabad is now clear, leaving only the Mumbai-Thane undersea section as a constraint. The first bullet train is anticipated by August 15, 2027.