corrigendum : supply of main spring assly. of pantograph am-12 , main spring assly. of pantograph am-12 consisting of (i) m/s cre ord ref. no. 0102043, m/s gsec pt.no. gsec/panto/126 and m/s contransys pt. no. c0610 (ii) spring holde r %u2013m/s cre ord ref no 0102044, m/s gsec pt.no. gsec/panto/079 and m/s contransys p t.no.c0620 (iii) anchored plate %u2013 m/s cre ord ref no. 0102047, m/s gsec pt. no. gsec/p anto/125 and m/s contransys pt.no. c0630 (iv) screw %u2013m/s cre ord ref no 0102045. m/ s gsec pt. no. gsec/panto/010 and m/s contransys pt.no. c0830. each unit should be embo ss/engraved with makers name,month, year and batch no. of manufacturing at a conspici ous place. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]