Indian Railway Catering & Tourism Corporation [IRCTC] — refund not received yet

Address:

Ernakulam, Kerala, 682004

Dear sir
I cancelled the ticket of pnr no. [protected] journey date 14 apr 18, class 3ac from ltt to ernakulam jn for 03 passengers on 06 mar 18, payments of rs 8205.00 was made through credit card but amount still not refunded. Kindly help me.

On more refund not received, pnr i forgot but rest information is as below :-
Date of journey - 24 mar 18
From ers to pnvl
Class 3ac
Train no. 12217
Passenger 1 kumar vivek m-32
Passenger 2 bharti priya f-32
Passenger 3 adishree f-7
Amount - rs 5010.00
If you able to find out pnr pse intimate me which will help me in future.

Regards
Kumar vivek