Repairing & desilting of machine holes by entering skill labour (manual work) with using necessary protecting gears and safety equipments, placing plugs and dewatering pumps etc. in various existing sewage / storm drainage lines, machineholes etc. including carting of desilted materials, and debris from site and raising existing road level machinehole, chamber cover & metal detector machine to finding in various society area / at various places of sub zone-3 in south west(athwa) zone, surat municipal corporation, surat.2nd Attempt