User-agent: *
Disallow: /ng/
Allow: /ng/$
Allow: /ng/index.php?ex=o
Allow: /ng/index.php?ex=af
Allow: /ng/index.php?ex=j
Allow: /ng/index.php?ex=e
Allow: /ng/?ex=o
Allow: /ng/?ex=af
Allow: /ng/?ex=j
Allow: /ng/?ex=e
Allow: /ng/*.pdf$
Allow: /ng/*.xls$
Allow: /ng/*.doc$