Cannot remove index.php

[eluser]Unknown[/eluser]
here code for u! That is working with me!

<IfModule mod_rewrite.c>

Options +FollowSymLinks
RewriteEngine on

# NOTICE: If you get a 404 play with combinations of the following commented out lines
#AllowOverride All
#RewriteBase /yourbase

RewriteCond $1 !^(index\.php|images|robots\.txt)

# Send request via index.php
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

<IfModule mod_php5.c>
RewriteRule ^(.*)$ index.php/$1 [L]
</IfModule>

<IfModule !mod_php5.c>
RewriteRule ^(.*)$ index.php?/$1 [L]
</IfModule>

</IfModule>

Ps: write this code into file .htaccess within index.php folder.