With the view to connect the mainland to Mumbai through rail based mass transport MMRDA has planned a metro corridor from Prabhadevi to Sewri and further to the Mainland through Navi Mumbai to a suitable Location on the Panvel-Pen section having interchange stations and facilities with the existing and proposed rail system. Following are the advantages of the proposed MTHL-Metro Link.

• To independently carry out business of Operation and Maintenance (O&M), and related functions of all Metro lines in Mumbai Metropolitan Region.
• To carry out Planning, Identification, Development and Implementation of all Non-Fare Box Revenue measures.
• Execute Property development and construct or maintain or lease out various facilities in relation to rail transport system.