How to permanently delete your Facebook account

Facebook is world’s most popular social networking website this is very useful for connect with friends or promotion of any product. but it very important to secure our facebook account for unwanted activity if you have more than one facebook account or you don’t want use your facebook and you want delete your facebook account so you can delete your facebook account permanently.
Before Delete your facebook account permanently you can Download a copy of your Facebookdata for get copy of your facebook data go to setting option > General>now click on Download a copy of your Facebook data..
Follow below link for delete your facebook Account
https://www.facebook.com/help/delete_account