Tenders for Supply of Vertical Damper 400Kg Capacity, For Secondary Air Spring Suspension, As Per Icf Drawing No. Dmu/Dpc5-0-5-503, Alt.- K / 6 Item No. 1, Conforming To Rdso Specification No. - C-8703, Rev.-2 Of Feb-2 007. Material To Be Procured From Existing Rdso Approved Sources Of Supply Warranty Period: 30 Months A Fter The Date Of Delivery