IRCTC
Non refund under TDR

I had booked a ticket from Gaya to New Delhi and journey date was 27 June my ticket was in S4 coach but S4 coach was not in the train so i was unable to travel with my family, I had filed TDR on 29 June but till date (05 Aug) I have not got refund, my detials as follows:

PNR 6426577759

Train No.: 0417 (Special train)

Ref No. ekt200906290591538

TDR filing date: 29 June