supply of power supply card for energy cum speed indicator unitpower supply card for energy cum speed indicator unit,power supply card for energy cum speed indicator unit as per lexven system part no-2000e3-s a-1001-3. [ warranty period: 30 months after the date of delivery ] ] , recorder mother board, laxven part no. 2000e3-sa-1001-1 for m/s laxven make sp eedometer suitable for wag9 locomotive. [ warranty period: 30 months after the date of delivery ] ] , recorder mother board for m/s - laxven make speedometer to laxven par t no.-2000e2-sa-1001-1 [ warranty period: 30 months after the date of delivery ] ] , recorder main card to laxven part no- 2000e2-sa-1001-2 [ warranty period: 30 months after the date of delivery ] ]