ORA-21301: not initialized in object mode
Cause : This function requires the OCI process to be initialized in object mode.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Specify OCI_OBJECT mode when calling OCIInitialize().
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.