Chennai to Bengaluru - second seating
Bengaluru to Visakhapatnam - sleeper class
Visakhapatnam to Tatanagar - AC II tier
Tatanagar to Visakhapatnam - AC II tier
Visakhapatnam to Bengaluru - sleeper class
Bengaluru to Chennai - sleeper class
Except for the first travel in second seating, everytime I travelled, every berth I got was in the same compartment as "emergency exit" :)
Lalu is taking care of me !