Preheat oven for 10 min at 180°
Grease the baking tin and dust with flour
Sieve the dry ingredients
Whisk curd and sugar till creamy and sugar dissolve completely
Add vanilla essence and mix
Add dry ingredients in batches and mix it in fold method
Add oil and mix it
Divide the batter in four equal quantity
In every bowl add the colours
Put one full spoon of yellow batter on side of the baking disc
Than carry on with the simultaneous colour one by one
With help of knife make the pattern and slightly tap it
Bake in oven for 25-30 mins at 180°
Check it by inserting toothpick if it comes out clear its means that cake is done
Take it out from oven and cool it on the wire rack