In a big bowl add 2 eggs beat it well with a whisker or spoon.
Add milk and sugar to this and beat it well for 2 minutes.
Through sieve add maida,coco powder and baking powder to egg batter .
Mix well with a whisker until it is smooth.
Take a baking tin apply butter and sprey some flours on every side.
preheat oven for 350degrees for 5 minutes .Add batter to this tray and bakefor 20 minutes.
Now plain choclate cake is ready.
In a mug add chocolate pieces to boiled milk and mix well.keep it for 5 minutes.
Put the chocolate cake above wire rack and pour melted chocolate over the cake.
.keep this in fridge for 5 minutes.Then cake will coated with choclate
We can cut the cake and serve.