How to use .htaccess with code igniter

[eluser]Sumon[/eluser]
change .htaccess to

Code:

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ /hellow_world/index.php/$1 [L]
</IfModule>