Please watch out for the correct train number from the board or listen to announcements very carefully if you are boardign this train at Chennai Central- since 12296 from Patna often reaches late there is always chance that both the up and down trains meet up at chennai Central and its very difficult to make out which side its heading as both have loco reversals
12296 is Bangalore bound(Via Katpadi, jolarpettai) and 12295 is Patna bound(Via Vijayawada, Nagpur, Itarsi, Jabalpur) Express