Tenders for Supply of Upgraded High Tensile Centre Buffer Coupler Non-Transition Aar E/F Type For Boxnhl Wagon Drg. No. Wd-81010-S-03 Alt- 11, Item No. 1 To 17, Specs. No. Wd-70-Bd-10 Rev 3 Warranty Period: 72 M Onths After The Date Of Delivery Upgraded High Tensile Centre Buffer Coupler Non-Transition Aar E/F Type For Boxnhl Wagon Drg. No. Wd-81010-S-03 Alt- 11, Item No. 1 To 17, Specs. No. Wd-70-Bd-10 Rev 3 Warranty Period: 72 M Onths After The Date Of Delivery