Configure .htaccess to work on a PHP Framework (Silex)

I have a working path on my Apache2 localhost (linux):

http://localhost/lab/silex/web/index.php/hello/name

I want to become:

http://localhost/lab/silex/hello/name

Now I have Rewrite mode enabled and tested.

I have placed my .htaccess file in my silex/web folder:

<IfModule mod_rewrite.c>
    Options -MultiViews
    RewriteEngine On
    RewriteBase /web/
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^ index.php [L]
</IfModule>

I still cannot see the clean url working.