All you have to follow these easy Steps :
1. Login to Orkut Your Profile.
2. At bottom of right side sidebar there is an option "invite friends" enter any random e-mail id which does not exist. Make sure to keep a note of it then click on. Once you do this a notification comes up saying "An invitation has been sent to < Blah@gmail.com> so that Blah@gmail.com can join the Orkut community. Blah@gmail.com has also been added to your friends list."
3. No Navigate to "Friends" option which is on top menu and near to Orkut logo
4. Now you will see the e-mail id which you added recently saying Blah@gmail.com "has not joined." in your all friends. Right side of it you will find two options Send New Invitation and Edit.
5. Click on Edit option and replace Your_Mail_ID@gmail.com with your own Orkut profile mail id and click on Update option
6. Now login to your Orkut Default mail account, you will receive e-mail from Orkut saying "Your Name" wants you to join orkut. Click on Join now! option.
7. It will redirect you to Orkut signup page. Click on "Sign up for orkut and connect to Your Name" now you will be redirected to Google Account page where it will ask you to fill your information. You don’t have to fill it. On top there is an option which says "Your Google Account gives you access to orkut and other Google services. If you already have a Google Account, you can sign in here." Click on sign in
8. Now sign in with your Orkut password.
9. Now you will receive Friendship request from your self Don’t add it. (Don’t Do anything)
10. Now repeat same thing 5-10 times with same mail id which you used before.
11. Once you have done from 5-10 times, now it will automatically add yourself as your friend.
P.S.
If you clicked on "Yes" in friend request then Bug will be Disabled and It generates a series of permanent request from your profile! So avoid Accepting request rather than be patient and Try the bugging!