laravel webservice response returns null value - laravel

Question

plz find the below code
Client
public function index()
{
$username = Session::get('username');
$password = Session::get('password');
$url = url('/languagesService');
$data = json_encode(array("username" => $username,"password" => $password));
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_URL,$url);
curl_setopt($ch, CURLOPT_HEADER,false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
$response = CURL_EXEC($ch);
$data = json_decode($response,true);
return $data;//return $response tried both.
}
Server
public function index()
{
$user = array(
'username' => Input::get('username'),
'password' => Input::get('password')
);
if ( Auth::attempt($user) ) {
$data = languages::all();
}else {
$data = array("invalid" => "Invalid username and password");
}
$response = Response::json($data,200);
return $response;
//return View::make("languages.index")->with("languages",$languages);
}
when accessing the server directly, it outputs the response in json format. but accessing via client, it responds nothing. Getting blank output. Tried trying with hard coded response, still the same blank output. Am i missing something tat is important?