Consultant
135 Points
Joined January 2015
Taxable value be 100. Suppose in invoice you charged 12% GST instead of 18%. For difference 6% you need to raise debit note.
While updating CDNR Details you need to show taxable Value as 1 and invoice value as 6 and in tax components Rs 6 you can add that amount manually based on CGST SGST or IGST.
If you are query further ping me in "aptaxprof @ gmail.com".