You can make a journal entry for recording decrease in CST by debiting your CST ledger and crediting the applicable expense ledger.
To account for decrease of CST
1. Go to Gateway of Tally > Accounting Vouchers > F7: Journal .
Note: You can create a journal voucher from Gateway of Tally > Display > Statutory Reports > VAT > select the VAT or CST form.
2. Click J : Stat Adjustment . In the Stat Adjustment Details screen,
o Select Type of duty/tax as VAT .
o Select Refund of Input Tax , as the Nature of adjustment .
Note: Based on the selection made for Nature of Adjustments , the Additional Details option either appears or disappears.
o Press Ctrl+A to return to the voucher.
3. Debit the CST ledger grouped and enter the amount.
4. Credit the expense ledger. The journal voucher appears as shown below:
5. Press Enter to save.