After 2 - 3 days soak the moong dal for at least 4 hours, then wash it properly and grind it into a fine paste, add only little water if required, then add heeng and ginger green chillies paste, mix well. Then heat oil for deep frying and drop small small pakodis in the hot oil with your fingers, fry on medium heat until fully cooked, no need to make them brown, then put them directly in the water