Mumbai (Maharashtra) [India], September 19 (ANI): Mumbai Bullet Train Station, located at Bandra Kurla Complex, is the only underground station on the Mumbai-Ahmedabad HSR corridor, and about 84 per cent excavation work has been completed, officials said on Friday. Base slab casting is being done with concrete of M-60 for Base slab and M-80 for the columns. Base slab will form the deepest construction level for the Bullet Train station, the officials said. Civil works for the bullet train project are progressing at a rapid pace. Upon completion, the Mumbai-Ahmedabad Bullet Train Corridor will redefine intercity travel, reducing travel time and offering a faster, safer, and more reliable mode of transport.