Indian Railway Catering & Tourism Corporation [IRCTC] — money not refunded

I have booked my ticket with transaction id number[protected] from new delhi to ranchi on 08-oct-2017.
My date of journey was 26-oct-2017. Due to some reason i have cancelled my ticket on 16-oct-2017. I have not yet credited my refund money
Rs.805.0/- in my account as it shows that money has refunded in the dialogue box.

Pnr no [protected]
Train no./name:12878 / ndls rnc g rath
Transaction id:[protected]
Date of booking : 08-oct-2017
Date of journey :26-oct-2017
Date of cancellation : 16-oct-2017
Cancellation id:[protected]
Contact no. [protected]