supply of procurement of set of modified top contact shield left and right hand etc.procurement of set of modified top contact shield left and right hand etc.,set of modified top contact with contact shield left & right hand in assembly condition and bottom c ontact assembly for m1-m4 & eac of bhel emu. as per kpa drg. nos.er/kpa/el/cpn.3he.2287b,er/kpa/ el/ cpn.3he.1630b and er/kpa/el/ cpn.4he.3028b.or m/s bhels drg. no (i) top contract drg.no 3580123 0037v00 (ii) contract shield rh drg. no: 35801230039p1 (iii) contract shield lh drg. no: 35801230045p1 and ( iv) bottom contract assly drg. no: 35801130031v00. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]