The government and MMRDA are keen to develop the 22-km link, which will connect Sewri on the island city to Nhava Seva in Navi Mumbai, on an engineering, procurement and construction basis and not on the build-operate transfer model, considering past experience.
On Tuesday, the state-run Mumbai Metropolitan Region Development Authority, the planning body, indicated that it expected to award the contract before December, which would pave the way to kick start construction in the same month.
The railways may offer high-speed train corridors to global players.