Soak all the dhals in water for 4 hrs. Drain well, add salt and grind the dhals coarsely. Then add cashewnut pieces, cilantro, curry leaves, ginger & chili paste to the ground dhal and mix well. Make small balls out of it and keep it in a plastic sheet or a small plantain leaf and flatten it with wet hands. Deep fry this in hot oil till both sides turns brown and crisp. Serve hot.