Dry ingredients: Sieve Whole Wheat Flour, baking powder, salt. Now add chopped walnuts and pistachios. Mix them well and keep it aside.
Wet ingredients: Now add milk, brown sugar, oil, vanilla essence in a grinder and grind them until smooth.
Now mix wet and dry ingredients well. Put batter into a greased pan and tab the cake pan on a countertop to release any large air bubbles.