Operation And Maintenance Of Electrical And Mechanical Services Like Internal And External Electrical Light And Fan, Fixture, Panels, Distribution System, Sub Station, Passenger Lift, Unitary A.C., Water Pump Set, Portable Fire Extinguisher Etc. At Msme Di Building, 111/112, B.T. Road, Kolkata 108, During Fy 2024 25. (Sh: Replacement Of Corridor Led Light Fittings And Director Room 2 X2 Led Fittings).