index.html

<!DOCTYPE html>
<html ng-app="myApp">
<head>
    <!-- CSS -->
    <!-- JS -->
    <script src="angular-1.3.7/angular.js"></script>
    <script src='init.core.module.inc.js'></script>
    <script src="init.controllers.inc.js"></script>
    <script src="app.js"></script> 
    <!-- CSS -->
</head>
<body>

<div ng-app="myApp" ng-controller="WidgetController">

  <div ng-controller="FirstCtrl">
    <input type="text" ng-model="data.message">
    <h1>{{ data.message }}</h1>
    <firstitem></firstitem>
  </div>

  <div ng-controller="SecondCtrl">
    <input type="text" ng-model="data.message">
    <h1>{{ data.message }}</h1>
    <seconditem></seconditem>
  </div>
</div>

 <div ng-controller="ThirdController">
    <input type="text" ng-model="data.message">
    <h1>{{data.message}}</h1>
    <thirditem></thirditem>
 </div>

</body>
</html>