In the mug, add coffee, sugar and a little water and with a spoon start the stirring. (Called as "Coffee beating")
The harder and faster you beat the coffee, it will turn its colour from dark brown to beige.
Bring the milk to a boil and add in the coco powder & cinnamon. Give it a nice stir and with the help of a strainer pour in the mug.
Put a dallop of ice cream on top and sprinkle some coffee+cinnamon powder.