Whatever be the reasons, if you want to delete your Orkut account and can’t figure out how to do so, then this is the procedure:

Step 1: Login to your Orkut account

Step 2: Click on the Settings link (Situated near bottom of the left sidebar)

Step 3: Under the General Tab, you’ll find a link that says "Delete my Orkut Account" (near the bottom of the page). Click on that link.

Your Orkut Account deleted