Hi Suresh,
Please use the field Partner Bank Type in this case.
see the below screenshot
Make the substitution or you can manually assign the Partner Bank Type in line item which is maintain in Vendor master data.
Field name: BVTYP:
Partner Bank Type in Vendor master:
Partner Bank Type in Line item in Vendor invoice:
This how it will select the Vendor bank.
Thanks and regards,
Mohit Gohil