Contract Bidding Open For DOUBLE SEALED NON OPENABLE WINDOW GLASS SIZE 1560 X 860 X 26 MM (BOTH SIDE 6 MM TOUGHENED GLASS WITH 14 MM GAP FILLED WITH ARGON- CRYPTON GAS) for Train -18 Coaches. Drg. No. ICF Drg. No. Train 18/MC/AC-5-4- 001. Glass for glass unit should be procured only from reputed manufacturers like M/s SAINT GOBAIN, M/s MODIGUARD, M/s AIS. Other make i.e. LIBRA TUFF,SHIVAM,MAYURTUF & ASAHI GLASS or Similar are also acceptable. in Bihar