The technical bids for the construction of a 21-kilometre tunnel, 7 kilometres of which will be under the sea, as part of the Mumbai-Ahmedabad high speed rail corridor, popularly called the ‘bullet train project, was opened on Thursday, an official said. Two bids have been received from Afcons Infrastructure Limited and Larsen & Toubro Limited for the C-2 package between Bandra-Kurla Complex in Mumbai and Shilphata in Thane district, a National High Speed Rail Corporation Limited spokesperson said.
