Paytm Mobile Solutions — Money deducted from my credit card but not refund again

Address: Hyderabad, Andhra Pradesh, 500082

Website: Paytm app

Money deducted my credit card but not refund again, 5000 rs will be deducted from my canara bank credit card but not refunded.plz help me to refund money to my credit card, I raised more tickets to paytm but there is no use .money will not be refunded.iam very much disappointed for this issue why because I unable to do another transaction .plz give me the solution for this issue.