Sorry for the delay Ipstenu.
here is the complete .htaccess file code
# BEGIN WPSuperCache
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
#If you serve pages from behind a proxy you may want to change 'RewriteCond %{HTTPS} on' to something more sensible
AddDefaultCharset UTF-8
RewriteCond %{REQUEST_URI} !^.*[^/]$
RewriteCond %{REQUEST_URI} !^.*//.*$
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{QUERY_STRING} !.*=.*
RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress_logged_in|wp-postpass_).*$
RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Accept-Encoding} gzip
RewriteCond %{HTTPS} on
RewriteCond %{DOCUMENT_ROOT}/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index-https.html.gz -f
RewriteRule ^(.*) "/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index-https.html.gz" [L]
RewriteCond %{REQUEST_URI} !^.*[^/]$
RewriteCond %{REQUEST_URI} !^.*//.*$
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{QUERY_STRING} !.*=.*
RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress_logged_in|wp-postpass_).*$
RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Accept-Encoding} gzip
RewriteCond %{HTTPS} !on
RewriteCond %{DOCUMENT_ROOT}/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index.html.gz -f
RewriteRule ^(.*) "/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index.html.gz" [L]
RewriteCond %{REQUEST_URI} !^.*[^/]$
RewriteCond %{REQUEST_URI} !^.*//.*$
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{QUERY_STRING} !.*=.*
RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress_logged_in|wp-postpass_).*$
RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTPS} on
RewriteCond %{DOCUMENT_ROOT}/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index-https.html -f
RewriteRule ^(.*) "/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index-https.html" [L]
RewriteCond %{REQUEST_URI} !^.*[^/]$
RewriteCond %{REQUEST_URI} !^.*//.*$
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{QUERY_STRING} !.*=.*
RewriteCond %{HTTP:Cookie} !^.*(comment_author_|wordpress_logged_in|wp-postpass_).*$
RewriteCond %{HTTP:X-Wap-Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTP:Profile} !^[a-z0-9\"]+ [NC]
RewriteCond %{HTTPS} !on
RewriteCond %{DOCUMENT_ROOT}/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index.html -f
RewriteRule ^(.*) "/home/raju/public_html/wp-content/cache/supercache/%{SERVER_NAME}//$1/index.html" [L]
</IfModule>
# END WPSuperCache
# BEGIN WordPress
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]
RewriteRule . index.php [L]
# END WordPress
and here is my wp-config.php code in full (Salts removed)
<?php
define('WP_CACHE', true); //Added by WP-Cache Manager
define( 'WPCACHEHOME', '/home/raju/public_html/wp-content/plugins/wp-super-cache/' ); //Added by WP-Cache Manager
define('DB_NAME', 'my-db-name');
define('DB_USER', 'my-db-user');
define('DB_PASSWORD', 'my-db-pswd');
define('DB_HOST', 'localhost');
define('DB_CHARSET', 'utf8');
define('DB_COLLATE', '');
/* Authentication Unique Keys and Salts code from here has been removed.*/
$table_prefix = 'my-prefix_';
define('WPLANG', '');
define('WP_DEBUG', false);
define('WP_ALLOW_MULTISITE', true);
define('MULTISITE', true);
define('SUBDOMAIN_INSTALL', true);
define('DOMAIN_CURRENT_SITE', 'raju.com.au');
define('PATH_CURRENT_SITE', '/');
define('SITE_ID_CURRENT_SITE', 1);
define('BLOG_ID_CURRENT_SITE', 1);
define( 'SUNRISE', 'on' );
/* That's all, stop editing! Happy blogging. */
/** Absolute path to the WordPress directory. */
if ( !defined('ABSPATH') )
define('ABSPATH', dirname(__FILE__) . '/');
/** Sets up WordPress vars and included files. */
require_once(ABSPATH . 'wp-settings.php');
