Remove the eyes of prawns and slit the remaining prawns and remove their veins. Dry the slit prawns.
Take a large pan and heat oil in it and then deep-fry prawns. Then drain and keep separately.
Take a pan and melt butter in it. Then add chilies, curry leaves, salt and garlic. Fry all these for about 2 minutes.
Now, mix soy sauce, sugar, prawns, grated coconut and wine. Mix well and cook for about 2 minutes on high heat while stirring continuously.