IRCTC Indian Railways — CAncelled ticket not refunded

I failed to travel in the train (details mentioned below) for which i had booked a ticket online using my credit card.This is the second time i am bringing this complaint to your notice. Last time this was their reply :
Dear customer,

Sorry for the inconvenience. Kindly note that your refund case of PNR No. [protected] has been forwarded to CCM/South Eastern Railway on dt.19.01.09 Refund yet not received from concerned railway, so we are sending a reminder with all the papers pertaining to your refund case to concerned railway on dt. 29.07.09 to chase up the cases. As soon as refund, if any, received it will be credited to your card account..
Regards,
Ved Prakash
[protected]@irctc.co.in
Ph:[protected]

Please guide me now how to get back my money from them??

TDR Details
Transaction Details
PNR Number [protected] Booked On 9-1-2009
Transaction ID [protected] Ticket Type eticket
Class 3A Internet Service Charge Rs 20.00
Date Of Journey 13/1/2009 Ticket Charge Rs 1455.00
Bank ICICI Total Rs 1475.00
Train No 2440 Railway Zone SER
From Station NEW DELHI(NDLS) IRCTC Zone Group General
Manager-1/Eastern Zone (IRCTC) Kolkatta
To Station RANCHI(RNC) Quota General
Ticket Details
S# Name Age Sex Coach Seat Res-Status
1 Mohd Azhar Lone 22 Male B1 0062 Booked
Reason For TDR : Passenger Not Travelled.
TDR Status : Admin Approved
Reference No : ekt[protected]
TDR Filing Date : 14-Jan-2009
Refund Status : Refund under Process
Refund Date : Not Available
Refund Amount : Rs.0.00