Separate egg yolk and egg white.
In egg yolk add milk, 1/3 cup sugar, vanilla essence, oil and mix it well.
Mix all purpose flour, baking powder, salt and add this dry ingredients in a wet mixture
Beat the egg white until it turn into a creamy mixture, add 1/3 cup sugar into it and beat more
Add the egg mixtures into an already prepared mixture and mix it smoothly with spatula
Bake it for 25-30 min in a already preheated cauldron on a medium flame
Check the cake by placing toothpick in the cake,if it come out clean than it means it is cooked than place it on countertop for few minutes than add your favorite frosting and serve it