Preheat oven at 180°C.
Sift flour, cocoa powder, baking soda and baking powder together 2-3 times. keep aside.
Add sugar to milk and mix till dissolve.
Add vinegar to it and leave for 5 minutes.
Now add oil and vanilla essence and mix well.
Add flour to it in batches and mix using cut and fold method.
Pour into a greased and lined baking pan and sprinkle chocochips all over it.
Bake in the preheated oven for 20-25 minutes or till skewer inserted in its middle comes out clean
Decorated with your choice of decorations. I used fondant heart and flower to adorn my cake .