Default User certificate autoenrollment not working in android < 4.3

Hello Experts,

In configuration of EAP-TLS authentication, user certificate is not auto enrolled into the SSID.But CA certificate and other details are auto enrolled.When we click the ssid and from the drop-down bix we are able to see the user certificate but it is supposed to be selected automatically.

This behavior observed for the android version's < 4.3

For android version's > 4.3 it's working fine.

Any help on this will be really helpful.

Thanks,
Vetrichelvan.G