“Undefined variable: a ” in laravel 5.2 view

I am using Relations now, but I am getting an error as

ErrorException in 5ef4934eeff3d728094534ae49b02bc13ec04ae1.php line 122: Undefined variable: a (View: E:\xampp\htdocs\beasiswa\resources\views\beasiswa\daftar_beasiswa.blade.php)

Controller is in BeasiswaController.php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Beasiswa;
use App\Databeasiswa;
use Illuminate\Support\Facades\Input;

use App\Http\Requests;
use App\Http\Controllers\Controller;
use App\Http\Controllers\BeasiswaController;

class BeasiswaController extends Controller
{
    public function index(){
        $data = Beasiswa::all();
        return view('beasiswa.daftar_beasiswa')->with('data', $data);
    }

Route is defined like this

Route::resource('/beasiswa', 'BeasiswaController');
Route::get('beasiswa', 'BeasiswaController@index');

And this is my Models Beasiswa.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Beasiswa extends Model
{
    protected $fillable = [
                            'nama_bea', 
                            'syarat', 
                            'waktu_pendaftaran',
                            'status'
                            ];

        public function callDatabeasiswa(){
                return $this->hasMany('App\Databeasiswa');
        }
}

And this is my View on daftar_beasiswa.blade.php

<table class="table table-striped">
<thead>
    <tr>
      <th style="width: 20px">No</th>
      <th>Nama Beasiswa</th>        
      <th>Periode Pendaftaran</th>                
      <th style="width: 45px">Edit</th>
      <th style="width: 45px">Detail</th>
      <th style="width: 45px">Hapus</th>
      <th style="width: 45px">Broadcast</th>
    </tr>
</thead>

<tbody>
        @foreach($data as $a)
        <tr>
                <td></td>
                <td></td>
                <td></td>
                <td>
                        <a href="" class="btn btn-info btn-sm"><i class="glyphicon glyphicon-pencil"></i></a>
                </td>
                <td>
                        <a href="" class="btn btn-warning btn-sm"><i class="glyphicon glyphicon-eye-open"></i></a>
                </td>
                <td>
                        <form action="" method="post">
                        
                        <input type="hidden" name="_method" value="DELETE"><button type="submit" class="btn btn-danger btn-sm"><i class="glyphicon glyphicon-trash"></i></button>
                        </form>
                </td>
                <!-- POST -->
                <td>
                         <!-- BUTTON SEND VIA TELEGRAM -->
                        
                        <button data-toggle="modal" data-target="#modal-sendtelegram" type="button" class="btn btn-primary btn-sm"><i class="glyphicon glyphicon-send"></i></button>
                </td>
        </tr>
        @endforeach
</tbody>

</table>

via Chebli Mohamed