Maintenance And Repairs For Civil Work At Different Depots, Sheds, Buildings And Sub-Station Buildings At North Zone Nilgunge Depot, Central Workshop Complex, Belghoria Depot, Paikpara Depot, Dum Dum Bus Terminus, Ariadaha Bus Terminus Under Cstc Wbtc/Jmd/Nit- 532/2024-25 4Th Call