Tenders for Supply of Train Signal Register Opt-28 R, Size: A/330.5 Cms X 43 Cms Plus/Minus 0.5 Cms 2 Unit: Each Book Of 100 Leaves 3 Numbering: Single No. At One Place In Red Ink. 4 Pr Inting: Both Side In Black Ink. 5 Text: Bilingual Hindi And English 6 Paper: 70 Gsm Whi Te Maplitho Paper. 7Cover Paper: 90 Gsm Brown Craft Paper 8 Binding: Three Wire S Titches Side At Left With Cover. Warranty Period: 30 Months After The Date Of Delivery