Issue: Casanova Profile::Payment Details:: Bug:

Action:- There is an Issue in the details of the payment in the profile of Casanova(QSpay)
Actual Output:- When I was adding the details of the bank and also payment details by adding the UPI there were some options in UPI but, it was accepted without any UPI like @ybl, @xbl, etc...
Expected Output:- The payment details should be accepted only on the basic details and links of the bank UPI's


Start by reproducing the issue in Casanova (QSpay)'s profile payment-details flow, focusing on bank and UPI inputs. Compare the accepted values with the valid UPI handles described in the issue and use the attached screenshot for context. Done means invalid or incomplete UPI details are rejected while valid bank-linked UPI details are accepted.

Written by the indexing model from the issue text.