With the release of final version of Windows Live Essentials 2011, Facebook chat on Windows Live messenger is now available in 7 more countries- Canada, Australia, Netherlands, Italy, Spain, India, and Turkey.Already 27.8 million users in United States, United Kingdom, France, Brazil, Germany, and Russia have been using Facebook chat since August 2010 when Beta refresh of Windows Live Essentials 2011 was released.
If you do choose to turn on Facebook chat and updates in Messenger, those features are also available to you from other places you connect to Messenger, like from your Hotmail inbox, or from the Messenger iPhone or Zune HD app.
The Windows Live blog states that they would be introducing Facebook chat in other countries as soon as possible.
You can download the Windows Live Essentials 2011 from here