In the era where slepper coaches of all train removed with ac coaches... This train still runs with 11 sl coachesЁЯСПЁЯСПЁЯСПЁЯСПnot only this GUWAHATI OKHA EXP also runs with same configuration of this train as both has rsaЁЯСПU can see mostly northeast bounded trains have more slpper coaches as compare to South, north, up, bihar trains... Can anyone explain me reason behind thisЁЯШм