Because this train used to run behind HWH-BBS JS in both directions. So, it used to get below average occupancy except in peak seasons. Now both HWH-PUI and PUI-HWH morning slot is free after Dhauli TT from HWH changed. Let's see.
In IRTTM 2022 upcoming so we have to wait if its TT changes.
But most probably this Shatabdi will be replaced by VB in future.