If Railways are making sufficient profits on this train then a second train with only SL and GS and two or three AC coaches can be run especially as holiday special.
Now we are seeing rake standardization is becoming a norm in almost every part of IR now. If these passenger trains become profitable then IR can think of running some holiday special trains on certain routes like I said. Excessive profits earned can be utilised to serve the poor people who can't afford to travel in AC class.
Anyways let's...
more... see how the decision to reduce SL coaches to 2 turns out for IR. If it fails then they will definitely reduce AC coaches and increase SL.