I think this train is pretty clean as compared to other trains. I've travelled in many long running trains and havn't seen any cleaning happening in between. But The toilets and compartments were cleaned within 24 hours of departure of this train from New Delhi at Balharshah Junction (BPQ) and every compartments were cleaned by the dedicated cleaning staff. The pantry car is also well maintained. The food served on board was of minimum standard. Hope we can also the look into the new face of IR