supply of supply, erection, testing and commission [supply, erection, testing and commissioning of test bench of pantographs for electric locomotives (test bench for panto model type: am-12, ir03h, wbl-85hr, lx-3600 hrpt or similar type of pantographs as per annexure attached).]supply, erection, testing and commission [supply, erection, testing and commissioning of test bench of pantographs for electric locomotives (test bench for panto model type: am-12, ir03h, wbl-85hr, lx-3600 hrpt or similar type of pantographs as per annexure attached).],supply, erection, testing and commissioning of test bench of pantographs for electric locom otives (test bench for panto model type: am-12, ir03h, wbl-85hr, lx-3600 hrpt or similar type of pantogr aphs as per annexure attached). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]