You can record for decrease in output tax by creating a journal voucher for TDS adjusment, and selecting Decrease in Output Tax as the Nature of adjustment.
To create a journal voucher for TDS adjustment
1. Go to Gateway of Tally > Accounting Vouchers > F7: Journal.
2. Click J: Stat Adjustment to enable the required options in the Stat Adjustment Details screen.
3. Debit the output VAT ledger. Enter the VAT Rate and Assessable value in VAT Details screen. Enter the tax amount.
4. Debit the surcharge ledger. Enter the VAT Rate and Assessable value in VAT Details screen. Enter the tax amount.
5. Credit the ledger grouped under Current Assets. The journal voucher appears as shown below:
6. Press Enter to save.