How To Delete Gmail, Orkut,...etc Google Accounts Permanently

1. Go to Delete Google Account page and sign in with the account you want to delete.
2. Here you can check all the services that you want to delete. In case of some services, such as Google Adwords, you can switch to a new Google account before deleting the existing one.
3. Enter your password, and select the two check boxes confirming that you want to delete your account. Hit ‘Delete Google Account’ to complete the process.

how to delete MY gmail account

1. Click Settings at the top of any Gmail page, and open the Accounts and Import tab.
2. Click Google Account settings.
3. Click Edit next to My products on the right side.
4. Click Remove Gmail permanently.