Preheat the oven to 350 degrees F.
In a Bowl mix all dry ingredients, Add oil, and red colour in buttermilk mix well and set aside.
In a large mixing bowl add softened butter, sugar and beat on high speed until fluffy.
Add egg one by one beat well between each adition.
Then add dry ingridients with adding buttermilk mixture alternatively.
Divide the cake batter evenly among three bowls, Spread evenly on baking paper and bake for 10 to 12 minutes.(Make sure upper layer is not brown)
Remove the cakes from the oven,Let cool completely.