supply of primary springsprimary springs,primary inner spring for generator car to drg.no.1277143-01r and to be r ead with rdso/2017/cg-01, rev-01 with corrigendum no - 01 (rcf p.l.no:33500536) special con dition : packing as per drg. no. icf/j&t/sk - 1770, alt a. [ warranty period: 72 months after the date of delivery ] , primary inner spring for fiat type gs bogies to drg.no. lg01101 alt a and t o be read with rdso/2017/cg-01, rev-01 with corrigendum no - 01 special condition : packing as per drg. no. icf/j&t/sk-1770, alt a. [ warranty period: 72 months after the date of delivery ] , primary outer spring for fiat type gs bogies to drg.no..lg01100 alt a and to be read with rdso/2017/cg-01, rev-01 with corrigendum no - 01 special condition : packin g as per drg. no. icf/j&t/sk- 1770, alt a. [ warranty period: 72 months after the date of delivery ]