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