main.js

//Create New Module
var module = angular.module("sampleApp", ['ngRoute']);
    module.config(['$routeProvider',
        function($routeProvider) {
            $routeProvider.
                when('/route1', {
                    templateUrl: 'template1.html',
                    controller: 'RouteController1'
                }).
                when('/route2', {
                    templateUrl: 'template2.html',
                    controller: 'RouteController2'
                }).
                otherwise({
                    redirectTo: '/'
                });
        }]);

        module.controller("RouteController1", function ($scope, $q) {
            var deferred = $q.defer();
            $scope.name = "Ashish Choure";
            test = function (username) {
                setTimeout(function () {
                    return deferred.reject(username);
                }, 500);
                return deferred.promise;
            };
            var promise = test('TestCTUser');
            promise.then(function (test) {
                //Handle when deffered is successfully resolved.
            }, function (error) {
                console.log(error);
            });
        });
    module.controller("RouteController2", function ($scope) {
        $scope.name = "Sumit Anand";
    });