Removal of silt in vulnerable reaches in from 0.10 to 0.60 km of D-19, from 0.30 to 2.80 km of D-19A, from 0.00 to 0.30 km of D-20, from 0.00 to 0.60 km of D-32, from 0.00 to 0.60 km of D-34 and from 0.20 to 1.00 km of D-35 of Hebballa left bank ca