You can record exempt on-going works contract sales by selecting the nature of transaction Sales Exempt - Works Contract - Ongoing .
This nature of transaction is provided for Maharashtra.
To record an invoice for exempt on-going works contract 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 Exempt - Works Contract - Ongoing .
5. Enter the Amount . The sales invoice appears as shown below:
6. Press Enter to save.
The value of this transaction gets captured in the relevant fields of state-specific VAT/CST forms and annexures.