Kolkata Metropolitan Development Authority (KMDA) has invited e-tenders for preventive repair works to stop roof seepage at Unnayan Bhavan, Salt Lake. Tender Details: Estimated Cost: ₹13,44,044 Last Date: 18 August 2026, 3:00 PM Contact Details: Executive Engineer Common Service Division, E&AM Sector, KMDA Unnayan Bhavan, Salt Lake, Kolkata – 700091 Websites: https://kmda.wb.gov.in https://wbtenders.gov.in