How To

How to delete your Orkut account

Google did a good job here. Just make sure you’re logged in to your account and follow the direct link to permanently delete your Orkut account.

For more info, check http://www.google.com/support/orkut/bin/answer.py?hl=en&answer=11596
URLS:
http://orkut.com
http://www.orkut.com/Main#AccountDeletion