Description: Kolkata Metropolitan Development Authority (KMDA) has invited e-tenders from experienced and reliable firms, individuals and contractors for operation and maintenance of the existing chlorination plant at Salt Lake UGR, including water quality monitoring and residual chlorine measurement for one year. Estimated project value is approximately Rs. 9.68 lakh. Tender Details: e-NIT No.: DLEEEMDA&SKMDAof2026-79/7 Last Date for Submission: 22 July 2026 up to 6:30 PM Tender Portals: www.kmdaonline.gov.in www.wbtenders.gov.in Contact: Executive Engineer (Civil), EM Division, W&S Sector, KMDA 5th Floor, Block-A, Unnayan Bhavan, Salt Lake City, Kolkata – 700091