The problem with following YPR-HWH slot is that, for a daily train in that slot, primary maintenance has to be handled by SBC/YPR as the travel time ( 16-20 hours) and the requirement for early morning arrival/evening departure at SBC will not give enough time for maintenance at CCT/VSKP, unless some RSA pattern is used. That's why it is difficult to get a train from VSKP-BZA region with comfortable timings at SBC. Only late morning arrivals and afternoon departures are easy to implement for now.