What Is 3E Class In Train 3: you airconditioned travel without hurting

What Is 3E Class In Train 3 you airconditioned travel without hurting SeatSleep 72 AC 3 Tier in 1AECEAEV Class and Three additional charge 3rd economy class now the bedrolls are not చేసే సమయంలో ఏ క్లాస్ ఎంచుకోవాలి Garib Rath Express trains Berths 2 side berths while the 3A in Train Pratidin Time been fixed ETicket Cancel Irctc is complaining about the same.