In order to browse  perl files (.pl) through apache serer you need to  add few lines in apache configuration file ( httpd.conf)
Add the following in  httpd.conf
AddHandler cgi-script .cgi .pl
Now find the following section
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
Add   +ExecCGI to the options list. So it  looks like as follows now
Now find the following section
<Directory />
Options FollowSymLinks +ExecCGI
AllowOverride [...]