Solved: Delete your gmail account Permanently

• First you need to login your orkut account.
• Open following link: 

          Delete orkut account

• Enter your password.
• Click on the checkbox and confirm Yes, I want to permanently remove orkut from my Google account.
• Then click on Remove Orkut button. 
• Your orkut account now deleted.

Note: You will not be able to access orkut.com. After Your profile will be deleted. If you decide to become an orkut.com member again in the future, you will need to create a new profile.

1. Solved: Delete your gmail account Permanently

2. Solved: Remove Google Web History permanently