supply of energy efficient led tube lamp, 9 watts, nominal voltage 110 volts ac/dcenergy efficient led tube lamp, 9 watts, nominal voltage 110 volts ac/dc,energy efficient led tube lamp, 9 watts, nominal voltage 110 volts ac/dc, voltage range 90v-170v, 600mm length with built-in driver general ly conforming to type-a of icf specification no: icf/elec/960, rev.00,cs 1, 2 & 3,annexure no. 1, suitable for retro fitment in 18 watt 600 mm length fl tub e light fittings of passenger coaches.. proto type approval from icf has to be submitted along with the offer for its acceptance [ warranty period: 30 month s after the date of delivery ] ]