The tunnel forms part of the 21-km underground section of the Mumbai-Ahmedabad High Speed Rail corridor. | Mumbai news

Railway Minister Ashwini Vaishnaw will launch the first tunnel boring operation for India's inaugural bullet train project on Sunday. Two massive German-made tunnel boring…

According to a press release, of the total 21 km long underground tunnel section, 16 km between Sawli (Ghansoli) and Bandra Kurla Complex (BKC) in Mumbai will be constructed using…