but it had already rsa with GUNTUR- SC Intercity Express.... may be I THINK upto nandyal is enough ... bcz fron ndl to krnt by bus 1.30 hrs where as through train it will take near abt 2.30 hrs.. and also ndl is very near at about by krnt 72 kms, kadapa by 130 kms, ananthapur by 165 kms... and also it well connected with APSRTC...