supply of double sealed non- openable window glass size 1560x860x26 mm (both side 6mm toughened glass with 14 mm gap field with argon -cripton gas) for train -18 coachesdouble sealed non- openable window glass size 1560x860x26 mm (both side 6mm toughened glass with 14 mm gap field with argon -cripton gas) for train -18 coaches,double sealed non- openable window glass size 1560x860x26 mm (both side 6mm toughen ed glass with 14 mm gap field with argon -cripton gas) for train -18 coaches. drg. no. icf drg. no. train-18 /mc/ac-5-4-001. note - saint gobain make medium venus grey tint colour or similar grey colour to be used [ warranty period: 30 months after the date of delivery ] ] => limited