public function quiz()
 {
     if (Session::has('id') && (Session::get('type') === 'Student' || Session::get('type') === 'SuperAdmin')) {
         //$questions = Question::all();
         //$ansAr = array(
         //);
         $random_question = Question::orderBY(DB::raw('Rand()', 'Unique()'))->take(2)->get(array('id', 'q_description', 'q_opt_1', 'q_opt_2', 'q_opt_3', 'q_opt_4', 'q_ans'));
         //print_r($random_question);
         $cnt = 0;
         foreach ($random_question as $tmp) {
             //			    print_r($tmp);
             //			    print("---------------\n-----------------");
             $cnt++;
         }
         $totNoOfQus = $cnt;
         //echo $cnt;
         $correct_answer = array_pluck($random_question, 'q_ans');
         $qIds = array_pluck($random_question, 'id');
         $combined = array_combine($qIds, $correct_answer);
         //		    echo '<pre>';
         //		    print_r($combined);
         //		    die;
         Session::put('correct_answer', $combined);
         Session::put('total_qus', $totNoOfQus);
         //		    return $correct_answer;
         return view::make('quiz')->with('title', 'QUIZ')->with('quiz', $random_question);
     } else {
         echo 'You are not authorised';
     }
 }