supply of full endoscopic spine instrumentation set (as per specification enclosed) , full endoscopic spine instrumentation set (as per specification enclosed) [ warranty period: 36 months after the date of delivery ] ] , post warranty comprehensive annual maintenance charges ( after 3 years free w arranty period ) firm to quote separately ie year 1 tab ( for 4 th year) . year 2 tab ( for 5 th ye ar) , year 3 tab ( for 6 th year) ,year 4 tab ( for 7 th year), year 5 tab ( for 8 th year). ( firm sho uld quote the actual rate of the camc in the bid , discounted rate as per npv will be generated by th e ireps system for ranking purpose [ warranty period: 3 years, amc period: 5 years, rate of discounti ng: 10 % ] ]