tender for spring plank for blc wagon. drawing no. contr - 9404 - s/4, alt.10, item no. 1. spec. no.contr - lccf - 20 (c) 96, rev. 2 with amend no. 2 of sept - 2016 warranty : warranty for a period of 30months from the date of manufacture or 24 months from the date of fitment / commissioning whichever is earlier.