Tender For supply of spring plank for casnub 22hs bogies to rdso's drg. no. wd-92058-s-4, alt.12, item no.1. material & specification as per drawing conforming to rdso's spec wd-17-casnub-22hs-bogie -92 rev-4 of sept-24. [ warranty period: 72 months after the date of delivery ]