Tender For a/r & m/o of day to day operation & maintenance of iron removal filtration plant & water softening plant of ocr of special bureau at hatisur, e.m. bypass, kolkata, during 2025-26.
Tender For corrigendum : provn of iron removal plant for borewell intake water and augmentation of ancillary ms pipe line at swimming pool pump house to filtration plant under ge(fw) kolkata