The solution below shows the steps to make some of the generated charges to classify as tenant's bill when using auto generate bill module.
As the auto generate module uses pre-maintained scheme to generate bill, the setting has to be done in scheme setting.
Go to Maintenance, Recurring Setting, Scheme Setting.
Select the related scheme which contain the required charges and click on Edit button.
Go to Detail tab.
Select the related charges then click on Edit Charges button.
Tick the check box Include Tenant Name in Invoice on the bottom and then click on OK.
Click on Save button then exit from the scheme setting.