Operation Of Electromechanical Operated 30 Nos Draw Shutter And Manual Operation Of 30 Nos Flap Shutter With Running Maintenance Of Electrical Installation Allied Works To The Draw Shutter Of 30 Vent Sluice At Diamond Harbour Dist South 24 Pgs Du Wbiw/ee/mdmd/e-nit- 05/2025-26/sl No 1
