https://help.tallysolutions.com/docs/te9rel60/Advanced_Features/Advanced_Accounting_Features/Altering_a_Budget.htm

Altering a Budget

You can modify a budget using the alter option.

To alter a budget

1.    Go to Gateway of Tally > Accounts Info > Budgets > Alter.

2.    Modify the fields as required, in the Budget Alteration screen.

3.    Change the period or change budgets of Groups, Ledgers, and Cost Centres.

Note: By default, Set/Alter Budgets is set to No. Set this option to Yes to alter.

Deleting a Budget

To delete a budget

1.    Go to Gateway of Tally> Accounts Info > Budgets > Alter.

2.    Press Alt+D to delete.