Yes, we can create a nested controller in AngularJS.
Example of nested controller is as follows:
<div ng-controller="MainCtrl">
<p>{{msg}} {{name}}!</p>
<div ng-controller="SubCtrl1">
<p>Hi {{name}}!</p>
<div ng-controller="SubCtrl2">
<p>{{msg}} {{name}}! Your name is {{name}}.</p>
</div>
</div>
</div>
anand.johari1994