What is the difference b/w ac3tier and 2nd class ac?

Question

What is the difference b/w ac3tier and 2nd class ac?

Answer 1

ac 3tier has 3 berths on each side and ac 2tier has 2berths on each side.But both have 2berths on the side of the corridor.

Answer 2

ac 3 tier has 6 seats in 1 bogie..and

ac 2 tier has 4 seats in 1 bogie..

and ya ac 2 tier has costly tickets..hehe !

tk cr...

Answer 3

ac 3-tier: 3 bunks vertically.

(2nd ac)ac 2-tier: 2 bunks vertically - much more spacious and comfortable, but more money.