Sep 14, 2017 12:40:19 (IST)
The high speed train would pass through the country's longest tunnel of 21 km, of which seven km will be under the sea. Twelve stations have been proposed that include Mumbai, Thane, Virar, Boisar, Vapi, Bilimora, Surat, Bharuch, Vadodara, Anand, Ahmedabad and Sabarmati.