supply of set of pedastal for pantograph consisting of 1) pedastal part-a to sis pt n o-s0221120401 or m/s contransys pt no.c0210 or gsec drg.no. gsec/panto/050 or concept drg. no. 0102011 =1 no. 2) pedastal part-b to sis pt no-s0221120402 or m/s contransys pt no.c0220 or gsec drg.no. gsec/panto/050 or concept drg. no. 0102012 =1 no. or similar c onforming to rdso spec. no. rdso/ 2008/el/ spec /0066, rev-0 dtd. 20.06.08 and amd. 1 dtd. 31.12.2008 or latest. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]