Description: The Regional Institute of Ophthalmology (RIO), MCH Campus, Kolkata, has invited the 2nd Call e-Tender (Memo No. RIO-2026/729) for the supply of various ophthalmology-related items. Eligible Indian or foreign manufacturers, importers, authorized agents, and authorized distributors can submit their technical and financial bids by 20 August 2026, 6:00 PM. Contact Details: Director, Regional Institute of Ophthalmology (RIO) MCH Campus, Kolkata – 700073, West Bengal Website: https://wbtenders.gov.in Website: http://riokolkata.in