Indian Railway Catering & Tourism Corporation [IRCTC] — tdr filed long back but money not refunded till date

Hi support team,
I have booked a tatkal ticket from cpr
To dli for abadh assam exp express on 2nd may,
2018 and date of journey was 1st may 2018.
For reason train delayed more than 3 hours and
The passenger has not traveled, i filled the tdr
For the same in irctc against my ticket and the
Status was turned to cr registered, but the
Amount was not refunded yet.
I am not sure what else i might be missing to
Get amount refunded. Please let me know what i
Can do further or else you can drop a mail to san. [protected]@gmail.com

Ticket details:
Do transaction :- 1st may 2018.
Pnr number :- [protected]
Reason for tdr: train late more than three hours and passenger not travelled.
Tdr filing date: 02-may-2018 21:35:05 hrs
Transaction id: [protected]
Tdr status: cr registered
Cancellation id: [protected]
Tdr zone: northern railway (Nr)
Warm regards,
Sanjay