Take remining 2 cups of rice flakes in a mixer and powder it finely. Add this powder in to a wide bowl.
Next grind green chillies, cumin seeds, coriander and curry leaves together to coarse puree. Add a tea spoon of water for ease of grinding. Add this puree also to the bowl.
Next mash the soaked rice flakes well and combine it with powdered rice flakes. Make a thick and stiff dough. Divide it in to 20-25 equal parts and roll in to balls.
In papad press, keep a oil greased polythene sheet and a dough ball at the centre. Cover it with one more polythene sheet.
Press to get evenly rolled papad. Carefully transfer the papd over a clean cotton cloth. Repeat the process with all the dough.
Let them sun dry for at least 2 to 3 days or till they are absolutely moisture free.
Store them in airtight container. Deep fry as and when needed to relish these rice flakes papad with rice-rasam.