In a large bowl sift plain flour, self raising flour, rice flour and baking powder together then add in seasoning and water, mix well.
Heat enough oil for deep frying and place frying ladle into the hot oil for a while.
Add about 2 tablespoons of batter on the frying ladle and top with some minced pork, prawn cubes, 2-3 pieces oysters and some chives/spring onion then cover with another thin layer of batter on top.
Deep fry into hot oil till golden brown. If you don't want to use the frying ladle, you can also use dropping method ~ in a small bowl.
Add minced pork, prawn cubes, oysters and chives with some batter, mix well and use spoon to push the mixture into hot oil and deep fry till golden brown.