SBI Pay is one of the best UPI apps. Still, you may face some problems. Such as Recharge failed but money got deducted or System is not accepting the UPI PIN. But most common problem is No-credit of the Payment.
To resolve such problems, feedback and queries, the SBI Pay do have the customer support. You can file an online complaint through the SBI Pay app itself. Also, you can write a mail. Finally, there is a toll-free number to address your complaints.