• Go to Transactions >> Sale >> Modify Bill. Press Enter.

• A Modify window will appear.

• The user will select the options as per the requirement i.e. Bill date, Bill no etc.

• A Sales Book as on window will appear.

• The user will select the bill and press Enter on it.

• A Sale Alteration window will appear.

• The user will select ‘Modify’. Press Enter.

• Thereafter, user needs to press F1 key on Doctor field .

• A Prescribed By window will appear.

• The user will select the doctor with which user needs to replace existing mentioned doctor in bill.

• After selecting the Doctor name it will automatically get updated in Existing Sale bill.

• Press Escape key. A Save Changes window will appear.

• The user will select ‘Yes’ to save the changes.

After following the above Steps User Can Change Doctor Name in old bills.