Clean and cut fish into pieces. Soak kudampuli in a little water. Chop, ginger, garlic and onions. Heat two tb.sp.oil and fry lightly onions, ginger, garlic and curry leaves. Add curry masala mixed with a little water and fry lightly. Remove from fire, mix with fish, kudampuli and salt. Arrange a few curry leaves in the pot. Add fish pieces mixed with masala and cover with adequate water. Bring to boil on a quick fire. Taste for salt and sourness. Keep on a slow fire till the fish is cooked. Pour 1 tb spoon coconut oil on top and remove.