supply of centre buffer coupler , jerk free high tensile centre buffer coupler with semi permanent head and balanced draft gear for fitm ent on vande bharat chair car coaches to specification no. icf/md/spec-307, issue status 01, rev.00 with amendment n o.1 and conforming to mdts-21292 rev-00, and concept drawing nos. 32921007 and 32921008.note: 50 percent of pur chase order quantity shall be as per drawing no. 32921007 and balance 50 percent as per 32921008.drg no : as men tioned in the description.alt :- - -- type drg:--. [ warranty period: 48 months after the date of delivery ]. [ warranty p eriod: 48 months after the date of delivery ] ]