Tender For a/r & m/o residential & non-residential building including bhasha bhawan at national library, alipore, kolkata during 2025-26. sh:- day to day operation and maintenance of 3 nos iron removal filtration plants, 1 no water softening plant, sweeping and cleaning of campus, watch and ward service etc. in the entire campus of national library.
Tender For a/r & m/o of external services of water treatment plant and repairing/overhauling of iron removal filtration plant at sb, hatikanda during 2025-26
Tender For day to day operation and maintenance of iron removal filtration plant capacity of water softening plant 35 cum/hr. with accessories and valve operation for water supply for residential & non residential building for aiih & ph, salt lake, kolkata during 2025-2026. sh: maintenance of iron removal filtration plant & water softening plant.