Firstly, In a bowl take powdered biscuits, add the sugar, milk powder, chocolate powder and baking powder and mix.
Now add the milk. Whisk properly until the mixture is smooth.
Now Add the dry fruits and beaking soda.
Now transfer this batter into a bowl.
Place the bowl in the pressure cooker. Remove the gasket/ring of the cooker. Don’t put any water in the cooker.but one layer of salt and put stand. 10 minutes preheat cooker. and bake the cake.

Now the cake is ready to eat.Now you can serve it.
Decorate cake as per your idea..