How to make soft chapati (Roti / Phulka Recipe) - Puff roti on direct flame(with video)

I learnt this roti puffing method only very recently and I consider it as one of this years achievements haha...sounds silly?! I wanted to post it before this year ends :) Long back, I tried puffing roti but gave up as I didnt get it right. Few months back, when one of my friend ask..