supply of pair of ferrozal bushes with upper & lower for schaku coupler of emu coachespair of ferrozal bushes with upper & lower for schaku coupler of emu coaches,pair of ferrozal bushes with upper & lower for schaku coupler of emu coa ches to (i) m/s. escorts drg. no. upper : 40-524-07-03 (4) & lower: 40-524-07-04 (4) (ii) m/s. wsfs d rg. no. 40-524-07- 03 (4) & lower : 40-524-07-04 (4) , (iii) m/s. sanroks drg. no. 2ed-181-1091 & 2ed - 181-1089, rdsos spec. no.61- b-36 rev. 68-1 with amendment no. 1 of october -2016 [ 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 ] ]