Apache wildcard ssl on subdomain serves same page for non ssl virtualhosts

Issue observed: I have configured ng.my-site.com using widlcard ssl cert. When I hit https://www.my-site.com it loads ng.my-site.com website!

please advise if I missed any concept / configs... Thank you!

httpd.conf

<VirtualHost *:80>
    ServerName www.my-site.com
    ServerAdmin webmaster@my-site.com

   DocumentRoot /var/www/html/mysite
   ErrorLog logs/my-site-error.log
   CustomLog logs/my-site-access.log combined

</VirtualHost>
<VirtualHost *:80>
    ServerName ng.my-site.com
    ServerAdmin webmaster@my-site.com

   DocumentRoot /var/www/html/ng
   ErrorLog logs/ng-my-site-error.log
   CustomLog logs/ng-my-site-access.log combined

</VirtualHost>

ssl.conf

<VirtualHost ng.my-site.com:443>
    ServerName ng.my-site.com

    ServerAdmin webmaster@my-site.com

SSLEngine on
SSLCertificateFile /etc/httpd/ssl/apache.crt
SSLCertificateKeyFile /etc/httpd/ssl/apache.key 

DocumentRoot /var/www/html/ng
ErrorLog logs/ng-my-site-ssl-error.log
CustomLog logs/ng-my-site-ssl-access.log combined

</VirtualHost>