Now transfer cake mixture in a bowl, add, baking powder, milk, oil, powder sugar, mix well, make sure, no lumps and it should be semi thick pouring consistency. Transfer cake batter in tin, open lid of kadai, put tin in kadai, cover it again, bake it for atleast 30 to 40 minutes on low flame.. Then u can check by pricking a toothpick, if it comes out clear, cake is ready.