Tenders for Annual Repair Maintenance Operation Of Internal Electrical Installation And Fans, Pump Set, Lift, Substation Equipment, Fire Fighting And Sprinkler System. Fire Alarm System, Hvac System, Cctv, Lan And Epbax System In Msme-Di Office Building B G 4 Sh: Comprehensive Maintenance Of 2 Nos. 180 Tr Chiller Unit Of Central Ac Plant.