Add oil, sugar and curd in a bowl and mix them in one direction using a spatula to form a thick mixture.
Sieve flour, soda and cocoa powder.
Add sifted mixture to the above curd mixture.
Mix in one direction.
Add vanilla essence and milk and again mix.
Pour mixture in silicon moulds.
Microwave for 5 min.
Check with the help of toothpick.
Note- Microwave cakes doesn't get over browned as like when we bake in convection mode.