supply of set of insulating rings (part of ioh/poh kit) of tap changer comprising of -- (i) insulating ring (inner) = 1 no. as per m/s. repls part no. - s1218 or g1218 of m/s. anantashree or rdsos drg. no. - skel-4661 (alt. - 1). (ii) insulating ring (outer) = 1 no. as per m/s. repls part no. - s1219 or g1219 of m/s. anantashree or rdsos drg. no. - skel-4661 (alt. - 1).set of insulating rings (part of ioh/poh kit) of tap changer comprising of -- (i) insulating ring (inner) = 1 no. as per m/s. repls part no. - s1218 or g1218 of m/s. anantashree or rdsos drg. no. - skel-4661 (alt. - 1). (ii) insulating ring (outer) = 1 no. as per m/s. repls part no. - s1219 or g1219 of m/s. anantashree or rdsos drg. no. - skel-4661 (alt. - 1).,set of insulating rings (part of ioh/poh kit) of tap changer comprising of -- (i) insulatin g ring (inner) = 1 no. as per m/s. repls part no. - s1218 or g1218 of m/s. anantashree or rdsos drg . no. - skel-4661 (alt. - 1). (ii) insulating ring (outer) = 1 no. as per m/s. repls part no. - s1219 or g 1219 of m/s. anantashree or rdsos drg. no. - skel-4661 (alt. - 1). [ warranty period: 30 months af ter the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] electric loco shed stores/kgp, west bengal 8.00 set ser electric loco shed stores/src, west bengal 7.00 set