Design, manufacture, supply, erection, testing and commissioning of new 110kV/ 27kV, single phase, 50 Hz, Gas Insulated Switchgears ( GIS ) based AC Traction Substation complete with two Nos. of 110kV/ 27kV, 40/ 56 MVA, ONAN/ ONAF, single phase traction power including 25kV switchgears ( GIS ), outgoing feeder arrangement, Foundations, Structures & all Ancillary Equipments at Titwala in Kalyan- Kasara section for 4 lines of Mumbai Division in Central Railway.