IRCTC
Refund of a Ticket of which Train was late

Hi,

I booked a ticket in the month of July for travel in the month of Aug.2008. The train was late by more than 4 hours. So booked flight ticket. On the very next day I filed TDR with the reason my train was late by more than 4 ticket and also sent Copy of Ticket to railway. Till date i have not received refund for the PNR. What to do? Please guide me.