Colacasia tubers are known as Maddi or Kaale Alvaa in Konkani. Maddi tastes amazing after shallow fried. It is very popular dish in Goa and consumed on regular basis as a side dish with dal rice. Peeling and cutting needs to be done carefully as these tubers can cause itchy hands. Carefully peel, slice and immediately apply kokum water on these slices without touching it. just toss it. Wash under running water and strain them. Season with spices and marinate. In case if you get itchy hands apply some kokum water or lemon juice.