Preheat oven at 180° for 10 minutes
Grease the round baking mould
Sieve the dry ingredients
Mix sugar and curd till sugar dissolve
Add dry ingredients in it and mix in cut and fold method
Add vanilla essence and mix
Bake it for 20-25 minutes
While cake is baking make custard
For custard boil milk and add sugar in it
Mix custard powder in 1/4 cup of milk and add it in boiling milk
Stir it continuously
Divide this custard in two batches
In one batch add edible yellow food colour and in second batch add cocoa powder and mix it
Take out the cake from the oven and pour one spoon yellow custard on it in center
Than pour chocolate custard over it
Do this method till all the custard finish
With help of toothpick make pattern and let it cool for half an hour in fridge
Cut in slices and enjoy