Wash the Moong daal and soak it overnight. Even if you soak it for four to five hours, it will work. After that in a mixi jar add soaked moong daal, fine rava, chopped onion, ginger, garlic, chilles, salt and water to it and grind it in a fine paste. Take out in a bowl. Now add chopped spring onion and turmeric powder and mix it well.