Why is my bank account not linking with UPI?

Your bank account may not be linking with UPI for several reasons. Ensure the mobile number linked to your bank account is updated in bank records and is the one you are using for UPI registration. Other issues include incorrect card details, an inactive or frozen bank account, or an outdated UPI app version. Bank server downtime can also prevent successful linking. If you are using the Paytm app, ensure it is updated to the latest version.