Rail Vikas Nigam Ltd. has won the bid to construct Package C-4 of Haryana's Orbital Rail Corridor project. The 4.7 km tunnel section will be part of Haryana's first semi-high-speed rail line, spanning from chainage km 24.880 to km 29.580 near Roz-Ka-Meo Industrial Area in Sohna, and will pass through the Aravalis. The tunnel will be built using the New Austrian Tunneling Method and cut & cover method. Rail Vikas Nigam's bid of ₹1,088.49 cr was the lowest among six bidders. The contract includes the design and construction of the twin tunnel, installation of ballastless track, commissioning of electrical services, and construction of embankment, bridges, and other miscellaneous works. The project is expected to be completed in 971 days or 2.66 years.
