INSERT DATA in few column

[eluser]giriayoga[/eluser]
I want inserting data in few column on 1 tabel...how the code in model and controller??? thanks
Model

Code:

function register($data){
   $no_akta = $this->input->post('data[no_akta]');
   $tgl_akta = $this->input->post('data[tgl_akta]');
   $notaris_akta = $this->input->post('data[notaris_akta]');
   $data = array(
      array(
      'No_Akta_Pendirian_Prsh' => $no_akta ,
      'Tgl_Akta_Pendirian_Prsh' => $tgl_akta ,
      'Notaris_Pem_Akta' => $notaris_akta
      )
   );

   $this->db->insert_batch('rekanan',$data);
  }

Controller

Code:

function register(){
$form_data = $this->input->post('data');
  
        if(!empty($form_data)){
       $this->akta_pendirian_perusahaan_model->register($form_data);
redirect('rekanan/akta_pendirian_perusahaan/index');
}
  $this->load->view('rekanan/header');
         $this->load->view('rekanan/kiri');
  $this->load->view('rekanan/menu_data_administrasi');
    $this->load->view('rekanan/edit_akta_pendirian_perusahaan');
  $this->load->view('rekanan/footer');
    
  }

Views

Code:

<form id="form1" name="form1" method="post" action="">
  <table width="322" border="0">
    <tr>
      <td colspan="2">Edit Akta pendirian perusahaan</td>
    </tr>
    <tr>
      <td>No Akta</td>
      <td><label for="data[no_akta]"></label>
      &lt;input type="text" name="data[no_akta]" id="data[no_akta]" /&gt;&lt;/td>
    </tr>
    <tr>
      <td>Tanggal</td>
      <td><label for="data[tgl_akta]"></label>
      &lt;input type="text" name="data[tgl_akta]" id="tgl" /&gt;&lt;/td>
    </tr>
    <tr>
      <td>Notaris</td>
      <td><label for="data[notaris_akta]"></label>
      &lt;input type="text" name="data[notaris_akta]" id="data[notaris_akta]" /&gt;&lt;/td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>&lt;input type="submit" name="button" id="button" value="Simpan" class="buttonedit" /&gt;&lt;/td>
    </tr>
  </table>
&lt;/form&gt;