In a big bowl sift dry ingredients - whole wheat flour, all purpose flour, baking soda, baking powder and salt.
In another bowl add oil. Add milk powder and raw sugar to it. Beat it with hand well.
Add vinegar to the mixture and keep it aside for five minutes.
Add the puree of two mangoes. Mix Rethe mixture well. Beat it for 4-5 minutes till light and creamy. Do not overbeat it.
Now add the dry ingredient gradually to the mango mixture.
Add vanilla essence and fold the mixture gently.
Line the cupcake tin with the cupcake liners and pour and tbsp of mixuture in each mould.
Bake it in a preheated oven at 180 C for 25 minutes or till done.
Remove and cool the cupcake and serve.
Note:I have used combination of whole wheat flour and all purpose flour. You can make use of entire whole wheat flour or all purpose flour.I have use refined sunflower oil. You can use any oil of your choice.You can use butter instead of oil.Raw sugar can be replaced with white sugar.