Method: Heat oil. Add cumin seeds, green chile. After seeds pop, add onions, ginger, garlic. Saute till onions are pink. Add tomato saute some more. Add the spice powders. Fry briefly. Add mung beans. and may be a cup of water. Salt to taste. Let simmer gently for 10-15 mins. Granish. Serve with rice/flat breads. Freezes well.