centralised septage plantsthomas isaac said that canals and rivers at a length of 1450 km have already been cleansed under the ongoing river rejuvenation projectmany clogged streams have been opened barren land to an extent of 4000 acres were cultivated 20 acresof encroachments were reclaimed the budget allotted an amount of 20 crore as additional assistance to similar river rejuvenation projectsisaac added that by including them in employment guarantee schemes activities relating to strengthening of river banks by organic means are taken up for cleansing and carpeting the banks with geotextiles 2000 km long rivulets having a width of more than 200 meter were cleaned under haritha mission