supply of set of hard wares and spares for tap changer.set of hard wares and spares for tap changer.,set of hard wares for repl make servomotor for graduator type tap changer, one set consist ing of 15 items and 15 nos. as per annexure enclosed. [ warranty period: 30 months after the date of del ivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , set of spares for repl make smgr tap changer, one set consisting of 07 items and 07 no. s as per annexure enclosed [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]