<div ng-app="myApp">
  <input type="text" ng-model="message" />
  <h1>{{ message }}</h1>
  <div ng-controller="ctrlOne">
    <input type="text" ng-model="message" />
    <h1>{{ message }}</h1>
  </div>
  <div ng-controller="ctrlTwo">
    <input type="text" ng-model="message" />
    <h1>{{ message }}</h1>
  </div>
</div>

var app = angular.module("myApp", []);

app.controller("ctrlOne", function($scope) {
console.dir($scope);

});
app.controller("ctrlTwo", function($scope) {
console.dir($scope);

});