i dont get value of check box in my database..

Question

FAVOURATE SUBJECT:<td>

<input type="checkbox" name="favourate_subject[]" value="MATHS" <?php echo isset($student ['favourate_subject']) && $student['favourate_subject'] === 'MATHS' ? 'checked' : ''?>>MATHS

<input type="checkbox" name="favourate_subject[]" value="ENGLISH" <?php echo isset($student['favourate_subject']) && $student['favourate_subject'] === 'ENGLISH' ? 'checked' : ''?>>ENGLISH

<input type="checkbox" name="favourate_subject[]" value="SCIENCE" <?php echo isset($student['favourate_subject']) && $student['favourate_subject'] === 'SCIENCE' ? 'checked' : ''?>>SCIENCE</td></tr>