1. Logging to the application using SSO URL
2. Launch forms --> system administrator --> security --> Define
3. Forms open ok but when we query the data using forms it spins forever and never returns the results .
4. It returns data using non-sso url.
Is the SSO/OID different from your source environment?
You might want to deregister SSO and re-register... Also, make sure that your guid in FND_USER is cleared upon cloning. So that it repopulates with the new one from the new SSO/OID...