Tenders for 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