Supply of Specialized Optical Glass Slabs for Defense Production

This tender, designated by Bid Number GEM/2026/B/8231972 and dated 03-11-2026, is issued by the Department of Defence Production, under the Ministry of Defence, by India Optel Limited, with its office located in Dehradun. The bidding period will commence on 03-11-2026 at 11:18 AM and conclude on 24-11-2026 at 6:00 PM. This opportunity seeks the supply of a total quantity of 411 units of various specialized optical glass slabs, including SK4 (in slab sizes multiples of 360mm x 160mm x 40mm), LAFN-2 random slabs (350mm x 230mm x 40mm), NBK7 glass slabs (with specified refractive index NE 1.51872, Abbe number VE 63.96, and tolerance of -0.0005 and -0.5%), and NSF14 glass slabs (with specified refractive index NE 1.76859, Abbe number VE 26.32, and tolerance of -0.0005 and -0.5%). Prospective bidders are invited to submit their proposals for the provision of these critical optical glass components.