Here is my Birthday blog post, as a part of FSAdvent - 2017. Just like previous two years, I hope you will enjoy this one too. Comments and corrections are very much welcomed. Why Chaat? and What is Chaat? If anyone wanted to show real time application, then Chat is kind of to-do list of that type of applications. Now Functional Chat is a very limited title and can’t show all the things I wanted to show.