ASR-PTK line --- first of all -- is a slow speed line, 2ndly requires reversal at PTK.
DD trains run only in speedy tracks (xcept HBJ-INDB). ASR-SVDK 289 kms as per your route is taking 6 h 50 mins by trains.-- People will take buses 2 travell as Bus journey will cover the distance in 5-6 hrs