This addon is particularly useful for those who need to calculate the VAT componenet while creating Invoices.
This addon will save you lot of time in generating invoices as you won't have to calcuate VAT. This addon will do it automatically for you.
No matter what is your VAT Rate, this addon doesn't need any configuration at your end. Just you need to mention the VAT Rate at inventory master.
This is one of the most popular Tally Addon.