You generally cannot get a mobile number from a UPI ID directly
UPI IDs are designed to mask personal bank details and phone numbers
If you know the person, ask them to share their mobile number
If you are trying to verify a payment, use the transaction details in your UPI app
Check the sender name shown in the payment history
Contact your bank or payment app support for transaction-related help
If you suspect fraud, report it to your bank and the payment app immediately
Law enforcement or authorized agencies can request such details through proper legal process