How to Unsent | Undo A Send Email in Gmail

We does some time commit mistake and may be send wrong message or undesired message to different person but friends do you know there is a option of Undo/Unsent a send email in Gmail yes it can be possible ...

(May For Some People If they already know it then it might old for you )
if you know it then it is well and good if you don't know then follow this simple tutorial that helps you in undoing an E-mail.

STEP BY STEP GUIDE FOR UNDO/UNSENT A SEND EMAIL

First of all log in into your gmail account.(Obviously From Pc)

Goto "Settings" link in the upper right corner. It will be located next to your Gmail address in bold text to the left, and "Help" and "Sign Out" to the right. Click on it.

Locate the "Labs" tab. It will be near the end of the list of tabs. Click on "Labs" and wait for its loading .

Scroll to bottom of the page. With the available Google Labs options for Gmail listed in alphabetical order, this puts "Undo Send" at the end of the list. To the right of the brief information box are two bubbles. Check the "Enable" bubble, and then "Save Changes" at the very bottom.

 You Can also Customize the time delay. The default timing for delaying the sending of an email is 10 seconds. If you want you can change as per your requirement :D. 

Now when ever you send an email and test it your self there will be an option at the right side top corner for undo send email.

Click on that button and your email will be unsent. Showing message like “Sending Has Been Undone”

Now i guess this make you a clear idea how you can undo a send email .
Well if you have two email id then you can test it and verify it thats all for today .
Actually this post is demanded by one of my close mate "gaganpreet" So buda i guess you will like this .