Sieve maida, sugar and baking soda. Grease the baking dish. Take one bowl put oil, mango pulp and vinegar beat and make a smooth paste. Add dry ingredients mix add milk also now put this cake mixer in baking dish. Bake at 180 d in preheated oven for about 35 to 40 minutes. when it is ready remove from oven. Let it get cool then remove from dish.