Grease a microwave safe cake dish.
Sieve flour, cocoa powder, baking powder and baking soda in a bowl.
In a separate bowl, beat curd, white butter and powdered sugar, till fluffy and creamy.
Mix sieved flour mixture with the beaten sugar mixture slowly.
Add milk and stir it gradually.
Pour cake batter in the greased microwave safe dish.
Microwave for 5 minutes.
Cool for 10 minutes on wire rack.
Decorate as you wish.
Serve with tea/coffee.