Desilting, Removal of Water weeds and floating materials in Thaiyur Surplus Course and Manjalnner Odai by using poclain machinery, Tippers and Labourers in Thirupporur Taluk of Chengalpattu District. Desilting, Removal of Water weeds and floating materials in Thaiyur Surplus Course and Manjalnner Odai by using poclain machinery, Tippers and Labourers in Thirupporur Taluk of Chengalpattu District.