discussing point here is that if prs wl tkt is not allowed for journey then why ir not cancel ticket automatically like e ticket . what is reason behind it .only to promote corruption.
not at all ,
answer is
if you have a confirm seat . in another tkt you...
more... have a wl ticket . if confirm seat holder a dust you tte cannot say it is reservation coach wl holder not allowed . means wl tkt holder if arrange a seat (means share a seat) with confirm tkt holder tte have no objection