Oracle Database Discussions

Hi,
I have one database installed 10.2.0.2.0. I have upgraded this database to 10.2.0.3
I have installed first base and then applied the patch. After applying the patch I have upgraded the database. It was successful.
Now the problem is banner.

oracle@abc.del > sqlplus

SQL*Plus: Release 10.2.0.2.0 - Production on Fri Mar 28 14:33:32 2008

Copyright (c) 1982, 2005, Oracle. All Rights Reserved.

Enter user-name:/
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options

When I type sqlplus, first it showing 10.2.0.2.0 and then if I logged in then its showing 10.2.0.3.0.
If I type the command
SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - 64bi
PL/SQL Release 10.2.0.3.0 - Production
CORE 10.2.0.3.0 Production
TNS for HPUX: Version 10.2.0.3.0 - Production
NLSRTL Version 10.2.0.3.0 – Production

Its on HP-UX

Kindly suggest what can I do to match banner?

Thank you,