Accommodation classes

1A The First class AC: This is the most expensive class, where the fares are on par with airlines. Bedding is included with the fare in IR. This air conditioned coach is present only on popular routes between metropolitan cities and can carry 18 passengers. The coaches are carpeted, have sleeping accommodation and have privacy features like personal coupes.
2A AC-Two tier: Air conditioned coaches with sleeping berths, ample leg room, curtains and individual reading lamps. Berths are usually arranged in two tiers in bays of six, four across the width of the coach then the gangway then two berths longways, with curtains provided to give some privacy from those walking up and down. Bedding is included with the fare. A broad gauge coach can carry 48 passengers.
FC First class: Same as 1AC, without the air conditioning. This class is not very common.
3A AC three tier: Air conditioned coaches with sleeping berths. Berths are usually arranged as in 2AC but with three tiers across the width and two longways as before giving eight bays of eight. They are slightly less well appointed, usually no reading lights or curtained off gangways. Bedding is included with fare. It carries 64 passengers in broad gauge.
3E AC three tier (Economy): Air conditioned coaches with sleeping berths, present in Garib Rath Trains. Berths are usually arranged as in 3AC but with three tiers across the width and three longways. They are slightly less well appointed, usually no reading lights or curtained off gangways. Bedding is not included with fare.
CC AC chair car: An air-conditioned seater coach with a total of five seats in a row used for day travel between cities.
EC Executive class chair car: An air-conditioned seater coach with a total of four seats in a row used for day travel between cities.
SL Sleeper class: The sleeper class is the most common coach, and usually ten or more coaches could be attached. These are regular sleeping coaches with three berths vertically stacked. In broad gauge, it carries 72 passengers per coach. Railways have modified certain Sleeper Coaches on popular trains to accommodate 81 passengers in place of regular 72 passengers. This was done in order to facilitate benefits like clear the Passenger rush and simultaneously earn more revenue. But this has got lukewarm response with criticism from the travellers and railways has decided to remove them.
2S Seater class: same as AC Chair car, but with bench style seats and without the air-conditioning.
UR Unreserved: The cheapest accommodation, with seats made of pressed wood and are rarely cushioned. Although entry into the compartment is guaranteed, a sitting seat is not guaranteed. Tickets issued are valid on any train on the same route if boarded within 24 hours of buying the ticket. These coaches are usually very crowded.
G GaribRath: The cheapest air conditioned accommodation, the seats are same as the 3A coaches, but there are three berths at the side, unlike the other ac coaches, these coaches are very crowded.