1 1/2tsp-Baking powder
Mash the banana's like a paste and keep aside.
In a bowl beat butter and brownsugar in a wooden spoon or an electric blender.
Add eggs, one by one continue blending and add mashed banana's blend well.
Now add flour in two parts,blend well,if it is thickens add milk.
Add dry fruits blend well and pour into greased loaf cake tin.
Bake in a preheated oven at 180'C for 50 minutes.