ALL PAYTM that you can use to file a complaint about a refund issue: Customer Support: ✓✓-O782~28 73_981 (available 24/7) You can use any of these channels to reach out to Paytm customer support team and file your complaint as soon as possible.ALL PAYTM that you can use to file a complaint about a refund issue: Customer Support: ✓✓-O782~28 73_981 (available 24/7) You can use any of these channels to reach out to Paytm customer support team and file your complaint as soon as possible.