Deepening Of Existing 813 Mm Dia M.S. Pipe And Errection Of 150 Mm Dia. C.I. Air Valve Including Providing & Fixing Air Raiser Pipe On Existing 813 Mm Dia. M.S. Pipeline From Akhol Head Work To Lunava Sub Head Work Section. Under M & R To Eight Rwss: 2025-26.