Construction Of Common Central Secretariat Integrated Building 1, 2 3 In Plot No 137 At New Delhi Including Operations And Maintenance For 5 Years (Sh : Conducting Pipeline Cctv Based Visual Conditional Assessment Of Existing Drainage / Sewerage Line Of Diameter / Size Of 2500 Mm From Janpath Circle To Panchmukhi Circle Towards Kartavaya Path Along The Plot Boundary Of Plot No : 137 New Delhi.)