You can record taxable on-going sales by selecting the nature of transaction Sales Taxable - On Going .
This nature of transaction is provided for Assam and Maharashtra.
To record an invoice for taxable on-going sales
1. Go to Gateway of Tally > Accounting Vouchers > F8: Sales .
2. Enter the Reference no. .
3. Select the party ledger in the field Party's A/c Name .
4. Under Particulars , select the sales ledger grouped under Sales Accounts with Nature of transaction set to Sales Taxable - On Going .
5. Enter the Amount .
6. Select the VAT ledger. The sales invoice appears as shown below:
7. Press Enter to save.
The value of this transaction gets captured in the relevant fields of state-specific VAT/CST forms and annexures.