Maintenance Of Burari Creek Drain From Rd 0 M To Rd 6500 M, Rd 6900 M To Rd 8863 M And New Course From Rd 0 M To Rd 600 M Including Supply And Installation / Fixing Of Floating Trash Barrier Near Rd 450 M, Rd 900 M, Rd 1100 M, Rd 1400 M, Rd 1770 M, R Annual Repair And Maintenance Of Drains.