supply of secondary vertical damper for train 18 c [secondary vertical damper for train 18 coaches of vande bharat express/3-phase us memu rake to itt koni part no. 97v -2779 latest rev. or zf drawing no. 401300004471 or equivalent as perdirector/vdg/carriage/rdso letter no. mc/tsbd or equivalent make approved from icf for vande bharat express version 2.0 coaches. firm should have supplied to rcf/mcf/icf.]secondary vertical damper for train 18 c [secondary vertical damper for train 18 coaches of vande bharat express/3-phase us memu rake to itt koni part no. 97v -2779 latest rev. or zf drawing no. 401300004471 or equivalent as perdirector/vdg/carriage/rdso letter no. mc/tsbd or equivalent make approved from icf for vande bharat express version 2.0 coaches. firm should have supplied to rcf/mcf/icf.],secondary vertical damper for train 18 coaches of vande bharat express/3-phase us memu rake to itt koni part no. 97v -2779 latest rev. or zf drawing no. 401300004471 or equivalent as per dire ctor/vdg/carriage/rdso letter no. mc/tsbd or equivalent make approved from icf for vande bharat expre ss version 2.0 coaches. [ warranty period: 30 months after the date of delivery ] ]