supply of bolster , bolster inner helical spring for milk van (vvn) to rdso sk no.- contor-9013-s-2, alt- 1, it em no.2 & confirming rdso spec. no.wd-01-hls-1994, (rev-5 of dec.2024) read to all amendment with latest amendment. slip no. 4 of october- 2020. [ warranty period: 30 months after the date of delivery ] ] , bolster outer helical spring for milk van (vvn) to rdso sk no. contor-9013-s-2, alt- 1, ite m no.1 & confirming rdso spec.no.wd-01-hls-1994, (rev-5 of dec.2024) read to all amnd. with latest a mnd. slip no. 4 of october- 2020. [ warranty period: 30 months after the date of delivery ] ] , axle box helical spring for milk van to rdso drg no.sk-65233, alt- e/3. item no. 3 & material grade 60cr4 v2 conforming to is 3195-92. read with all amnd. latest amnd. no.-2 of september-2000 & ot her technical conditions confirming to rdso spec. no. wd- 01-hls-1994 {rev.5 of december 2024}. [ w arranty period: 30 months after the date of delivery ] ]