sites only loading cpanel default page

Hello,

I have a cpanel server version 11. I have 3 domains configured in the server. The issue is all the 3 domains is showing the cpanel default page from /usr/local/apache/htdocs/. It is not taking the virtual domain document from /home/<username>/public_html. All the domains contain index file at document root. Giving below conf file

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# SUEXEC is supported

Include "/usr/local/apache/conf/includes/pre_virtualhost_global.conf"
Include "/usr/local/apache/conf/includes/pre_virtualhost_2.conf"

# DO NOT EDIT. AUTOMATICALLY GENERATED. IF YOU NEED TO MAKE A CHANGE PLEASE USE THE INCLUDE FILES.
NameVirtualHost xxx.xxx.xxx.xxx:80
NameVirtualHost *

# Default vhost for unbound IPs

<VirtualHost *>
ServerName ip-xx-xx-xx-xx.ip.secureserver.net
DocumentRoot /usr/local/apache/htdocs
ServerAdmin user@domain.com
</VirtualHost>

# DO NOT EDIT. AUTOMATICALLY GENERATED. IF YOU NEED TO MAKE A CHANGE PLEASE USE THE INCLUDE FILES.

<VirtualHost xx.xx.xx.xx:80>
ServerName domain.com
ServerAlias www.domain.com
DocumentRoot /home/domain/public_html
ServerAdmin webmaster@domain.com
UseCanonicalName Off
CustomLog /usr/local/apache/domlogs/domain.com combined
CustomLog /usr/local/apache/domlogs/domain.com-bytes_log "%{%s}t %I .\n%{%s}t %O ."
## User ismuser # Needed for Cpanel::ApacheConf
<IfModule !mod_disable_suexec.c>
SuexecUserGroup ismuser ismuser
</IfModule>
ScriptAlias /cgi-bin/ /home/domain/public_html/cgi-bin/

</VirtualHost>
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I have tried many configuration options, but not getting the desired result. I have even recompiled apache with basic configuration but all failed. I am afraid i am missing something. Please help me.