Keep the chocolate in a small bowl, pour hot water and melt. Then add coffee powder,sugar. Mix it well, until sugar dissolves.

Transfer the mixing into a glass. Now we can steam the milk,not necessary to boil. To make the froth,pour the milk into a
One tumbler,then change into another. Do like this alteast 5 times.you get froth.

Now transfer the milk into the glass.its mix with coffee decoction. Finally,collect the froth from the glass and decorate the top.

Though we added 2tbs sugar and chocolate,it gives a little bitter taste. So according to your taste you can add more sugar.

That's all. Hot Mocha coffee is ready to serve.