Question: what is 1a fc 2a 3a 3e cc sl 2s in indian railways?
Answer: 1A refers to the AC First class which is the most comfortable coach you could find. 2A refers to AC Second class (AC two tier) which is air conditioned and has two berths (wider) instead of three on one side. 3A refers to AC Third class (AC three tier) which is also air conditioned.