ESI Hospital Kamarhati invites e-tenders from reputed agencies and contractors for the supply of laboratory reagents, kits and chemicals under the ESI (MB) Scheme. Bid submission starts on 3 August 2026 and closes on 24 August 2026. Pre-bid meeting is scheduled for 31 July 2026. Contact: Superintendent, ESI Hospital Kamarhati, 1 Graham Road, Kolkata-700058 Website: wbtenders.gov.in Location: Kamarhati, Kolkata, West Bengal