Generally. the HTTP error 403 – Forbidden means that access to the file/folder trying to open has been denied, or misconfiguration.

No default directory index page is present. Upload Index.html or Index.htm file
Limit access to a web domain’s directory by removing the

You don't have permission to access /cgi-bin/ on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2.0.63 (Unix) mod_ssl/2.0.63 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 PHP/5.2.8 Server at www.travelagentgujarat.com Port 80

anonymous-unkown user or requiring a password to view the content of the location.

404 Error Page Not Found
Page or file Not Found
selinux security context is missing.
404 represent that their is a cgi script missing or web pages missing.