Its actually two trains initially. SC - TEL Nagarjuna Exp , VSKP - BZA- TEL Janmabhumi Exp. Just those are combined as single train. This train is not for END to End pax, but for GNT, TEL, BZA people primarily. Full day journey is not advised for long distances. More over there are many direct trains b/w VSKP - SC for end to end pax