There are 2 issues here with this test.

1.)After Update it shows Java (TM) 6 Update 11 and 12 both
2.) There are 2 different installation directory.
6u11 goes in C:\Program files\Java\Jre6
where as after update 6u12 is installed in C:\Program files\Java\Jre1.6.0_12

How to reproduce Manual update Issue:
1.) Install 6u11
2.) Set the
"UpdateServletURL"="http://sqindia.india.sun.com/disk17/deployment/pg152891/PIPTest/map.xml"
Under this path [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\JavaSoft\Java Update\Policy]
3.) Perform Manual update using JCP->Update->Update Now
4.) Manual update will show the Update available notification. click on the "Install" button

Expected Behavior:
After Update it should show Java (TM) 6 Update 12

Actual Behavior:
After Update it shows Java (TM) 6 Update 11 and 12 both

How to reproduce Auto update Issue:
1.) Install 6u11
2.) Set the
"UpdateServletURL"="http://sqindia.india.sun.com/disk17/deployment/pg152891/PIPTest/map.xml"
Under this path [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\JavaSoft\Java Update\Policy]
3.) Set the AU schedule to Daily using JCP->Update->Advance
4.) Modify the system time accrodingly (5-10 minutes before the hours of AU schedule)
5.) Launch jusched.exe and wait for AU to prompt the update available balloon in system tray

Expected Behavior:
After Update it should show Java (TM) 6 Update 12

Actual Behavior:
After Update it shows Java (TM) 6 Update 11 and 12 both