To update taxes and other GST details for your service items, you need to modify your service ledgers.
To update service ledgers
1. Go to Gateway of Tally > Accounts Info. > Ledgers > Alter > select the ledger.
2. Is GST Applicable - Applicable.
3. Set/alter GST Details - Yes, specify the details in the GST Details screen, and save. Alternatively, you can use a classification to use the tax details defined in the classification.
Taxability: Select Taxable for goods and services that are classified as taxable type of supply under GST. Select Exempt, if the type of supply is exempted from tax under GST, or select Nil Rated, if the tax rate applicable to the type of supply is 0% under GST.
To view the history of tax rate changes, press Alt + L.
To specify further GST-related details, click F12: Configure.
4. Type of supply - Services.
5. Press Ctrl + A to save.
You can use this ledger to bill the services rendered by your business, in Accounting Invoice mode.