Repair And General Maintenance Of A.F.S Gate With Fabrication, Errection And Installation Of Bottom Seal, Musical Knot Rubber, Flat Rubber Seal,Gate,Side Groove,Top Seal, Hoist Stem And Nut , Platform , Stairs, Painting Of Gates, Platform , Railings And Stair At Lava Chokia Paharpur Mahananda Right Embankment Under Irrigation Mechanical Division Purnea Before Flood 2026.