Creating undeletable folder in Windows

Aah!!after long time I am goin' to write a post on some interesting trick....Well it's being 5:00 a.m and suddenly I think to write something in my blog. First of all,I apologize for not writing the article from long time. So without wasting your time,I come to the main point.
                                          Well today I want to share on windows trick i.e. to create undeletable, unrenamable folder. Most of the Peoples are not aware that it is possible to create Undeletable, Unrenamable folder in windows without any software.