Accounting Issue

Can anyone help me understand how to solve this problem of applying tax template where i donot want to apply

I have created sales invoice with multiple items and two of those does not able to apply gst with tax template i have selected and i had already make it e invoice and now after making wrong bill i want to create credit note and make fresh corrected bill but when creating that credit note i am getting gst from tax template and even after selecting exempted tax template still getting tax template and applying tax
how could i solve this problem and make it same credit note as invoice ??