Firstly you need to make coffee decoction for which you just need to mix hot water and instant coffee powder.

After that in a mixer or shaker mix milk, powdered sugar, coffee decoction and ice cubes, just blend it for 1-2 minutes and it's ready.

Notes : If you don't have powdered sugar you can use normal sugar too.To make powdered sugar you just need to grind normal sugar in mixer till it get converted into powder form.