Indian Railway Catering & Tourism Corporation [IRCTC] — amount not refund in my ac.

I have booked my ticket with transaction id number[protected] from gorakhpur to kalyan on 12-oct.-2017.
My date of journey was 15-nov-2017. Due to some reason i have cancelled my ticket on 18-oct-2017. I have not yet credited my refund money
Rs.3250.0/- in my account as it shows that money has refunded in the dialogue box.

Pnr no [protected]
Train no./name:11016 / kushinagar exp.
Transaction id:[protected]
Date of booking : 12-oct-2017
Date of journey :15-nov-2017
Date of cancellation : 18-oct-2017
Cancellation id:[protected]
Cancellation date :24-oct-2017