Two parallel tracks are being constructed by the National High Speed Rail Corporation Limited (NHSRCL) inside the tunnel. India's first bullet train project is set to showcase advanced engineering with a 21-km tunnel section in Maharashtra, including a 7-km railway tunnel beneath Thane Creek. The Mumbai-Ahmedabad bullet train corridor will have 14 traction substations across Maharashtra and Gujarat to ensure an uninterrupted power supply. The first facility at Bilimora in Gujarat’s.