Screen Note 
Screen --> Teacher Subject Division 
Note :- 
1. There should be no teacher subject division assigned to a new employee 
2. All existing data of employees selected in the New Employee dropdown will be removed and overwritten with existing employee permissions if there is already an existing teacher subject division assigned. 
Screen --> User Access
Note :- 
1. There should be no user access assigned to a new employee 
2. All existing data of employees selected in the New Employee dropdown will be removed and overwritten with existing employee permissions if there is already an existing user access assigned. 