Jack Pushing Of D.I. Pipe Of 250 Mm Dia. Through 600 Mm Dia M.S. Pipe By Hydraulic Jacking Technique Method Through Nh-81 Old/Nh-31 New At Chainage- 8.65Km Between Gazole To Samsi For Alal Zone-I Pipe Water Supply Scheme Under Malda Division, Wbphed/Ee/Md/Niet 14 Of 2025-2026, Sl.No.23