Air Springair Spring,Air Spring Failure Indication Cum Brake Application Device As Per Rdso Specification R Dso/2015/Cg-05 Latest Revision (Set Of Items To Be Supplied As Per Scope Of Supply In The Specification) For Lhb Double Decker Coaches Of Makes : Kbi (Or) Ftrtipl (Or) Escorts (Or) Topgrip Only.(Warranty Period : Upto 7 2 Months From The Date Of Delivery.) [ Warranty Period: 72 Months After The Date Of Delivery ] ]