supply of retro fitment 9 w led tubular l to be used in same holder , in place of 18 w fl , one side positive (+ ve) and other side negative (- ve) with internal driver as per icf specification no. icf/elec/960, rev - 0 , cs 1, cs 2 & 3. , retro fitment 9 w led tubular lamp to be used in same holder , in place of 18 w fl , one side positive (+ ve) and other side negative (- ve) with internal driver as per icf specification no. icf/el ec/960, rev - 0 , cs 1, cs 2 & 3. [ warranty period: 66 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]