?The various class codes available for accomodation in the Indian Railways. The abbrevations are used mainly in the tickets both physical booking and etickets.
1A - These are first class air-conditioned coaches which have Berths for sleeping at night and seats by day. (This code is given to AC Executive class Chair Car in Shatabdi Express for the purpose of fare).
2A - These are air-conditioned 2 tier sleeper coaches. The seats are used for sitting by day and berths are for sleeping by night.
FC - These are non airconditioned coaches with Berths for sleeping by night and seats by day.
3A - Air conditioned 3 tier sleeper. Berths for sleeping in the night and seats in the day time.
3H - 3 tier high capacity air-conditioned berths.
CC - Air-conditioned chair cars. Only sitting accomodation is available. In Southern Railways and South Western Railways these are refferred to as Second Class AC Chair cars for the very purpose of distinguishing them from the Executive Chair Cars.
CH - High-Capacity version of air conditioned chair cars with individual chairs sitting accommodation.
EC - Executive Class or First Class Air conditioned chair car with only sitting accommodation.
SL - Sleeper class for sleeping at night and seats by day.
SH - High capacity sleeper class with berths for sleeping at night, seats by day. The number of berths are 81.
2S - Second class sitting. Only sitting accommodation is available with bench style seats.
ACC - No longer used in booking. First class Air conditioned sleeper with coupes of 2 and 4 berths each.
The fares differ from train to train.