supply of auto kerato refractometerauto kerato refractometer,supply and installation of auto kerato refractometer (as per specification enclosed) [ wa rranty period: 36 months after the date of delivery ] ] , post warranty comprehensive annual maintenance charges (after 3 years free warran ty period ) firm to quote separately i.e year 1 tab ( for 4 th year), year 2 tab ( for 5th year), year 3 t ab ( for 6 th year) ,year 4 tab ( for 7 th year) , year 5 tab ( for 8 th year).( firm should quote the actual rate of the camc in the bid , discounted rate as per npv will be generated by the ireps system for ran king purpose [warranty period: 3 years, amc period: 5 years, rate of discounting: 10 %] [ amc period: 5 years, rat e of discounting: 10 % start after year:3 ] [ warranty period: 3 years, amc period: 5 years, rate of discounti ng: 10 % ] ] achd/equipment/stores/rh/per, tamil nadu 1.00 numbers at (location) sr