.controller('userCreateController', function(User,Profile,Auth) {
      alert("hello");
      var vm = this;
      vm.type = 'create';
     Profile.all() //this service fetch all profiles to be shown in select field
     .success(function(data){
      vm.profile = data;

 });
 vm.userData.profile = vm.profile[0]; //here i have set default value for select field

<label class="col-sm-2 control-label">Profile</label>
<div class="col-sm-8">

  <select ng-model="user.userData.profile" ng-options="person._id  as person.profileName for person in user.profile">
  </select>

</div>