QLM dropping in AC locomotive

RELAY QLM KI TROUBLE SHOOTING HINDI ME.

[@imtiazsiddiqui1904]

Sir bhaut acchhe samjaya samaj me gaya very very thanka

[@gopeshwaryadav1792]

Good work sir

[@barnalasainatraj8342]

Very nice sir.

[@gurudayalkumar3516]

Nice sir g

[@itskksrockhero19011]

nice