Measure and Sieve the whole wheat flour and mix well with baking soda, baking powder and salt. Also preheat the oven to 180 degrees for 10 minutes.

Measure and keep all the other ingredients ready. Take the mangoes and cut them into slices. Then blend the chopped mango pieces in a blender to puree them.It should measure 1 cup of mango puree.

In the same blender, add sugar, oil followed by vanilla essence. Blend everything together.

Transfer the blended wet ingredients to a mixing bowl, add the sieved whole wheat flour mixture to the wet ingredients.Gently fold everything well for 10-15 seconds. Don't over mix. Then add broken nuts(if using) to the mix and give a stir. The final mixture should be thick.

Grease a cake pan with oil. Pour the mixture to the cake tin and gently tape it. Bake in the preheated oven at 180 deg C for 35 -40 minutes (baking time depends on the size of the cake pan and oven) at 180° Celsius till tooth pick inserted in the center comes out clean. Allow to cool in tray for 5 minutes once done. Once the cake is warm, cut into pieces and serve!