tender for secondary spring (inner) for lhb non ac coach, type-ls / lwscn. drawing no:rcf drawing no. lg05100, alt.- a. material & specification: conforming to rdso specification no.rdso/2017/cg-01, rev.-01, corri.-01, oct.-2019, along with rdso l. no. sv.fiat. spring dated 11/13-06-2019, dtd. 27/11.8/9.2019, spring code no. f08.