Tenders for Supply of Improved High Tensile Tight Lock Cbc With Aar H Type Head And Its Associated Components For F Itment On Lhb Coaches. As Per Rdso Specification No. Rdso/2011/Cg-03 Rev-1. One Coupler Set Sha Ll Consist Of The Following Attached Annexture-B Warranty Period: 84 Months After The Dat E Of Delivery