You can create a Ledger ‘Rounded off (+/-)’ to round-off the invoice value automatically.
1. Go to Gateway of Tally > Accounts Info. > Ledgers > Create / Alter .
Note : If you already created the given Ledger Rounded Off (+/-), you can alter as below
2. Set Type of Ledger? as Invoice Rounding .
3. Select the Rounding method as Normal Rounding and enter the Rounding limit to 1 .
4. Under Statutory Information, all options should be set to Not Applicable .