How to REMOVE optional from purchase entries in tally 7.2?

To remove the "Optional" tag from purchase entries in Tally 7.2, you need to access the purchase voucher entry screen. When entering the purchase details, ensure that you do not select the "Optional" field or check the box associated with it. If it has already been marked as optional, you can edit the entry by selecting the relevant purchase voucher and changing the "Optional" setting to "No." Finally, save the changes to finalize the update.