Desilting/cleaning of existing sewer lines by mechanized system using Super Sucker Machine and CCTV including disposal of Silt/Malba to appropriate zone in the area of Ward No.4 Manimajra, Chandigarh under the charge of SDE MCPH Sub Divn No.20, Chd Desilting/cleaning of existing sewer lines by mechanized system using Super Sucker Machine and CCTV including disposal of Silt/Malba to appropriate zone in the area of Ward No.4 Manimajra, Chandigarh under the charge of SDE MCPH Sub Divn No.20, Chd