Create Multiple G talk for multiple chat id

Just follow the simple steps Below:

1)Just Right click on the Google Talk shortcut.
2)click on Properties.
3)Go to Shortcut tab on Google Talk Properties window.
4)On the Target textbox, add in the /nomutex to the end of the line so that it looks like below (or you can simply copy and paste the below syntax and replace the original).
  “c:\program files\google\google talk\googletalk.exe” /nomutex
5)Click on OK.

  And this will provide you a new G talk for you.

Alternate method:-
To create a new shortcut for Google Talk:

1)Right-click on the desktop or anywhere you want to place the GTalk shortcut.
2)Select New on the right click context menu.
3)Then select Shortcut.
4)Copy and paste the following line to the text box when prompted to type the location of the item:
“c:\program files\google\google talk\googletalk.exe” /nomutex

5)Click on Next.
6)Give the shortcut a proper name such as Google Talk or Google
Talk Multiple or Google Talk Polygamy.
8)Click OK until you are done.
9)Don't forgot to say thanks