Double decker express, as the name suggests, are 2 storeyed trains that can accommodate more number of passengers compared to other express or mail trains. These trains ply between important cities which are just a few hundred kilometres apart. These are fully AC coaches and have only seating facilities with Chair Car (CC) class. There is a ladder to climb up the upper deck of coach. These trains do not offer catering facilities. Double-decker Trains are usually painted in vibrant yellow and red color while some other express trains also have double decker non ac coaches. 1 double-decker train runs from Nellore to Tuni - TPTY VSKP DD EX (22708).

Nellore to Tuni TPTY VSKP DD EX (22708) departs from Nellore station (NLR) at 23:55 and arrives Tuni station (TUNI) at 07:28. This train has 10 stoppages. Nellore to Tuni double-decker fare is Rs.745 in Chair Car for this train.