Manufacturing, Supplying & Installation Of 05 Nos M.S. Flap Gate (Size:1.95M ×1.65M), 04 Nos M.S. Vertical Gate (Size:1.65M ×1.875M) & 02 Nos Padestal Type Lifting Device For Sluice No-S.22(Chourfari, 8-Vent) & Sluice No-S.5 (2-Vent)...