ORA-35062: (QFGET01) Duplicate files found for extension number number of EIF file string.
Cause : IMPORT searched the directories specified in EIFEXTENSIONPATH and found two EIF extension files with the same name (differing at most by the case used in the final name component.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Delete, rename or move any files that are not to be read by IMPORT.
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.