To make the dough: Soak moong dal in water for half hour to 1 hour. In a deep bottom pan, boil water, then add salt, ghee and moong dal. Bring it to boil, simmer and slowly add the rice flour. Mix the flour with water by stirring it well. When the flour is mixed and done, turn off the heat immediately. Cover with lid and keep aside for 10 to 15 mins.