Open your IndusMobile app, and login it.
Select option “BHIM UPI” from the bottom of the screen part.
Click on the “Send Money” button to see the payment options.
Select the option “via Account Number/IFSC” from the drop down menu.
Enter Bank account and IFSC number and Receiver’s name. Enter Desired amount to pay. After it click to proceed and add the OTP next.
Copy Reference ID and now you can use this ID on website or wherever needed.