First roast moong dhal and keep aside.Rinse rice and add it along with moong dal in a pressure cooker. Add 1 cup milk and 2 cups water.Make sure your pressure cooker is big enough the water milk and rice mixture should just be to 1/4th of the cooker so that it will not overflow.
Pressure cook it for 3-4 whistles until soft. Mash it well with a laddle and add the remaining milk say 1/2 cup of milk in intervals twice and mix well.Allow it to boil for 3mins until its thick.Add required salt.
Add coconut, ghee and give a quick stir.Add the ghee fried cashews and switch it off.