Maintenance And Repair To Sanitary And Plumbing Works Of Residential Quarters Within Dvc New Colony Of Durgapur Section No. Ii Under Damodar Headworks Sub-Division In Durgapur Municipal Corporation And Ps-Cokeoven, Dist.-Paschim Bardhaman. Wbiw/Ee/Dhwd/Nit 22E/25-26/12