Tamil Nadu State Transport Corporation [TNSTC] — service cancelled refund still pending

Address:

Dindigul, Tamil Nadu, 624601

I have booked two tickets from bangalore - palani 879up (19:30) for dates
29/12/2017, 15/12/2017. And both he service has cancelled by setc.

Pnr number : t23210548, t23130290

I have couriered the etickets along with a request letter to

The deputy manager (Commercial),
State express transport corporation tamil nadu ltd.,
"thiruvalluvar house"
No.2, pallavan salai,
Chennai - 600002.

Still i couldn't see money refund happened to my card.

Kindly refund my money.

Regards,
Pradeep