Only there will be NO Middle in 2A, as there are middle berth in 3A.
The Upper Berth is lower in 2A than in 3A.
Side berths are longer in 2A than in 3A.
Also, curtains are present in 2A which are not present in 3A.
No...
more... Pantry Car in this train, Catering will be same for all the classes..