Replacement Of Damaged/ Outlived Sewerage Lines By Providing And Laying Of 225Mm O/D Upvc Pipe And Construction/Repair Of Manholes Near H.No. 1132 To 1134 And Various Places In Sector-4Extn., U/E, And All Other Works Contingent Thereto /Mtc. Of Sewerage Scheme In Sector-4Extn., U/E
