Supply Of Air Brake Hose Coupling Length 790 Mm For Bp Of Icf Coaches To Rdsos Sk - 73547, Item No. 1 To 7, Alt. No.14 And Rdsos Specn. No. 02 - Abr - 02, Appendix-F With Amendment No.1 Of Feb 2007 And With Amendment No.4 Of Sept. 2016. [ Warranty Period: 36 Months After The Date Of Delivery ] ] Amm/Box-N/Nh, Er West Bengal 2730.00 Numbers Amm/Box-N/Udl, Er West Bengal 11783.00 Numbers Amm/D/Andal, Er West Bengal 166.00 Numbers