Wash the dals , add water, a pinch of turmeric powder and few drops of oil. This helps to cook the dals faster. Pressure cook till well done.Boil about 1 cup water in a vessel, add the beet greens and cook on a low flame till the greens are soft and well cooked.Add the cooked dals to these greens. Add salt and mix nicely.Heat oil in another pan. Add the cumene seeds, mustard seeds, garlic and chopped onion and fry nicely till the onion turns golden brown. Add the green chillies.To this add the Beet greens-dal mixture and cook for a few seconds more.