Tenders for Piping, Valves Etc. Of 2x210 Mw Stage-i And 2x250 Mw Stage-ii, Ghtp, Lehra-mohabbat And Mtc. Work Of Acs/ros Systems Etc. Gndtp, Bathinda Falling Under Mechanical Aux. Mtc. Cell On Lump-sum Basis. Round The Clock Operation, Maintenance And Overhauling Of Central Ac Plants Of Ucb, 220 Kv Switchyard Control Room, Package Ac Plants, Air Washer Systerms And Maintenance And Overhauling Of Window/split Acs, Water Coolers, Ros, All Connected