Repair And Maintenance Of Anti Flood Sluice Gate With Fabrigation, Errection And Installation Of Gate Leaf, Bottom Seal, Side Groove, Musical Knot Rubber, Flat Rubber, Iron Plateform , Approach Stair And Its Hoisting Arrangements Etc. At Different Point Of Brandi Left Embankment, Brandi Right Embankment And Gumti Tola Link Bandh Before Flood 2026 Under Irrigation Mechanical Division Purnea.