Go to Gateway of Tally > Accounts Info > Ledgers > Create
In the Ledger Creation screen enter the name of the GST ledger in the Name field
In the Under field, select Duties & Taxes from List of Groups
Set Inventory Values are affected to No
Set the Percentage of Calculation to 10%
Select the Method of Calculation from the Type of Duty menu
Select GST Deductible – Input Tax from the GST Type menu in the GST Account Type field.
Accept the screen to save.
Note: From Rel 4.8 an option to provide Bank Details is provided in the Ledger Master.
Similarly create a ledger for GST Output, by selecting GST Account Type as GST Payable – Output Tax.