sir,i want to travel from guntur(gnt) to palakkad(pgt) by sabari express(17230) on 15th march .But there is w/l of round 25. so i tried to book the ticket for the same train with starting station as secunderabad(sc) and boarding point as guntur(gnt) which has availability of around 30 but while booking in irctc at the end it shows a waiting list.so how can i book a the ticket in irctc.please help me.