Tender For corrigendum : supply of cut off angle cock with vent (complete) for air brake wagons to rdso drg. no. wd-88123-s-01, alt.- 3 and detailed of parts as per rdso drg. no. wd-88123-s-02, alt.-6. material and specification confirming to rdso specification no. 02-abr-02, amendment no. 4 of sept. 2016 and appendix -d.