Soak dhal in water for 20 minutes. Drain water and grind it coarsely with very little water. Then add 4 tablespoons of hot oil, rava, pepper, cumin seeds & salt to the ground dhal and mix well. Make small balls out of this paste and keep it in a plastic sheet or a small plantain leaf and flatten it with wet hands. Make a hole in the center. Deep fry this in hot oil till both sides turns brown and crisp.