Wash rice and soak for half an hour by adding salt.
In a bowl marinate prawns with ingredients from 4 to 19.
(bay leaves to salt)
In a pan saute half of the onion and tomatoes in 2 teaspoon of ghee and add it to the
marinade and mix well. Keep the marinade aside for 2 to 4 hours.
In a cooker add water and 2 teaspoon ghee.
Add the remaining onion and tomatoes as a layer.
Add the prawns marinade above that.
Add soaked rice as another layer
Close the lid and cook in high flame till 6 whistles.
Open the lid after pressure settles down, mix well and serve hot.