Question: what is 2s and sl in train?
Answer: 2S is second seating class of Indian Railways and is Non AC class. To know more on this class check Trainman. Link- Indian Railway Classes: AC (1A,2A,3A), Sleeper (SL) & Seating (CC, 2S) on Trainman. Priya (Priya) 2017-11-30 09:40:46 UTC #3. Second seating (2S) is chair car and does not have air conditioning.