tender for helical spring (inner) for mod. bogie bolster suspn. of emu m/ coach. as perspecn. icf drg.no. emu/m-0-5-050, item-2,alt. k/2 and rdsos spec. no. wd-01-hls-1994, rev.-03 ofjan 2009 with amendment no.01 of september 2016 (material spec.-is: 3195 ) .
