Get latest articles and stories on Business at LatestLY. Larsen & Toubro, NCC-J.Kumar, Afcons-KPTL Consortium and Dineshchandra-DMRC were the companies that submitted the bids, according to the firm handling the bullet train project. The total cost of the Mumbai-Ahmedabad high-speed rail corridor (bullet train project) is estimated at Rs 1.08 lakh crore. Business News | L&T, 3 Others Bid for Mumbai-Ahmedabad Bullet Train Corridor Construction.