The tunnel is located approx.Further, the tunnel construction comprises various elements, including the tunnel itself, the tunnel portal, and other connected structures such as the tunnel entry hood.National High-Speed Rail Corporation (NHSRCL) has successfully completed the work on the first mountain tunnel for the Mumbai-Ahmedabad High-Speed Rail (MAHSR) corridor project.NHSRCL has reached a major milestone by completing work on the first tunnel in under ten months.The MAHSR corridor project is intended to feature seven mountain tunnels, all of which will be constructed utilising the innovative New Austrian Tunnelling Method (NATM).