Indian Railway Catering & Tourism Corporation [IRCTC] — refund issue of my cancelled ticket

I had cancelled my ticket and refund not recieved in my bank aacount. While checking refund history it shows that refund is done in zkpy bank. I am unkwon to this bank. So please refund my amount in the same account which i provided. My transaction details are as follows. Cancellation id.[protected] and pnr no.[protected] and cancellation date is 21 january 2018.