Add lukewarm water and mix it well till sugar gets dissolve. Keep coffee mixture aside.
Take 2 glasses, fill chocolate ganache in pipping bag and decorate the wall of glass randomly with chocolate ganache to look attractive and presentable.
Keep glasses in fridge for 5-10 minutes so that ganache gets set.
In a blender add 2 glasses of cold milk (use full fat milk for more creamy and frothy texture), chocolate icecream, coffee mixture and blend till it becomes smooth and frothy.
Take out the glasses from the fridge, pour blended chocolate coffee milkshake in glasses, put some froth on top.
Garnish with chocolate icecream, sprinkle some cocoa powder, pipe out some chocolate ganache and sprinkle some choco chips.