Open two Orkut account in one tab

Step 1:
First open Firefox and then login to Orkut.

Step 2:
After logging in open a new Tab in Firefox and click on close button of the browser

Step 3
You will get a Dialogue box Click on SAVE

Step 4:
Then again open Firefox; you can see you are still logged in
Then On your Orkut home page, scroll down and at the bottom you will see go to orkut.com



Now you can see a new login screen has come
Login with your second account and Enjoy :)