Preheat oven
Mix curd and sugar and add baking powder and baking soda in it
Add flour and mix in cut and fold method
Add sprig vanilla essence and mix
Divide batter in two portion
In one part add red colour and mix and in another part add green colour
In baking dish put one spoon batter of re colour than follow with green batter
Repeat this process till batter finish
Bake it in oven for 25 minutes at 180°
Cool down and cut in slices