To record transaction of interstate sales with additional ledger
1. Go to Gateway of Tally > Accounting Vouchers > F8: Sales.
2. Press F12: Configure.
3. Select the party ledger in Party's A/c Name option.
4. Enter Party Details, as required.
Note: Ensure the supplier's state selected is other than Andhra Pradesh. Set the option Is against C Form to Yes or No, as required.
5. Select the required Sales Ledger.
6. Select Interstate Sales - Taxable or Interstate Sales - Against Form C as Classification/Nature in VAT Classification Details screen.
7. Select Name of Item from the List of Stock Items.
8. Enter the Quantity and Rate. The Amount appears automatically.
9. Select the CST ledger from the List of Ledgers.
10. Press Enter to accept.