supply of liner, size- 75 x 17 x 3 mm for bolster column outer gibs as per fig.41, para-5.4.3 of rdsos manual g-95 (rev.1) with amndt. no.5 conforming to rdso specn. no. wd-21 casnub-22nlb-93, rev.2 of july 02 with amndt. no.6 of july2020. material & specn. to is:3885/1992 with amndt. 1, pt.-1, gr.-iv, bhn ( 380-420 ). , liner, size- 75 x 17 x 3 mm for bolster column outer gibs as per fig.41, para-5.4.3 of rd sos manual g-95 (rev.1) with amndt. no.5 conforming to rdso specn. no. wd-21 casnub-22nlb-93, rev.2 of july 02 with amndt. no.6 of july2020. material & specn. to is:3885/1992 with amndt. 1, pt.-1, gr.-iv, bhn ( 380-420 ). [ warranty period: 30 months after the date of delivery ] ]