How to recover (Ctrl+Alt+Del) permanently deleted file?

Sometimes we delete the files permanently, and realize that those files are important....

For all those folks,

Here is the solution

Software called "Kissass Undelete" , can bring those files from the hard disk or your flash drive.
Conditions : Only if the data on that drive is not re-occupied(or written). that means the space which was available after the deletion is not been occupied after the deletion.

Click Here to download "Kissass Undelete" .
1)
To start searching for the files,
Select the drive from the Left panel of the Windows and Click the scan button.
the Scan might take some time.
2)
When the files search has been completed, it will show you the results with the name, type, size and the last modified date of the searched file.
3) Now you can select the file to be recover. This is an Open source application and available for All Windows OS(Windows XP/Vista/ 7).

ALTERNATIVE
You can also use software Recuva by Piriform Ltd.