IRCTC
Irctc has not refund the money in my account

I have booked a ticket from villuparam to madurai on 9.5.2012 (Vaigai Express) Chair car... but after the chart prepared i have seen the current status as W/L 1... When i board the train yesterday they said my ticket has automatically cancelled and my money will be credited to my account..but i have checked irctc today the refund status is clear but money has not been credited in my bank account till now... my Pnr no. 4139787705 and transaction id. 0477485651