I have shared the recipe for chocolate cake which I use for making orders.

Rottikadai's fresh cream cake workshop at chennai:
https://forms.gle/p8rmRzNxijhH4QvL9

I have used 200 ml cup for measurement
Ingredients: (250 g cake approx)
1/2 cup maida (62 g)
2 tbsp cocoa powder
1/2 tsp baking powder & 1/8 tsp baking soda
2 eggs
2 tsp vanilla essence
1/2 cup powdered sugar (55 g)
2 tbsp melted butter or refined oil
1/4 cup boiled milk