The said train runs on friday from chennai at very convenient timings and is the most sought after train for locations from Rajahmundry to Bbs. The said train doesn't have any takers from vskp to BBS doing s day journey wasting their precious time instead travel in konark exp overnight. Then for whose benefit the quota is changed from GNWL to PQWL. If there is any alternate train departing chennai between 1700-2100 on that particular day from chennai exclusively to Vskp then there is meaning. They can't say they are other trains that means to get a confirmed ticket one needs to travel from chennai to vskp on satunday and Tuesdays where we have dedicated trains.