First, you should keep the butter at room temperature.

Once it comes to normal put it in a bowl and mix sugar, oil,1tbspn water nicely. You can whisk it with a spatula.

Once it becomes lighter and fluffy add rest 2 tbsp water.

Now in another bowl swift maida, salt, baking soda and cocoa powder and mix it very nicely.

Now slowly add dry ingredients into wet ingredients and mix them gently.

Once all the ingredients mix make the small balls and place them in a greased tray and bake in preheated oven at 210°c for 10 mintues.

Once it baked take them out and keep it on rack,after a while it will be crisp.

Enjoy the cookies with tea.