Loco change at Tadipatri due to GY being a busy junction..SCR can do some experiments like dis..Annam tinali antey Amma ney Annam pettakarledu..rather dan running with diesel loco n wasting fuel they can change at TU..A better TT dan the present GR..dis will give Hyd-tpty AC connection as well as to KPD..also MBNR,KRNT to TPTY,KPD..it is just 20min extra time..