Repair And Maintenance Of Anti Flood Sluice Gate With Fabrication, Errection And Installation Of Gate Leaf, Bottom Seal, Side Groove, Musical Knot Rubber, Flat Rubber, Iron Plateform And Approach Stair And Its Hoisting Arrangements Etc. At Different Point Of Bagdov Barsoi Mahananda Right Embankment, Kari Koshi Embankment, Before Flood 2026 Under Irrigation Mechanical Division Purnea