Train No 12764/12763 Secunderabad-Tirupati-Secunderabad Padmavati Express becomes the first train with Bio-toilets on all coaches. The train has totally 19 Coaches ( 12 Sleeper Class, One AC III Tier, One AC II Tier, 3 General Second Class and Two Second Class Luggage Cum Brake Van Coaches) are fitted with Bio-toilet systems from 26-Jun-2013.
