Thoroughly clean and wash all three lentils and soak for half an hour in water.
Discard the water and add new water, about 2 cups and add tomato, garlic, ginger, green chillies turmeric, oil and salt.
Transfer to a stoveto pressure cooker, and close the lid. Cook dal on medium heat until 3 whistles in Indian style pressure cooker.
If you do not have a pressure cooker, cook lentils in a pan/pot. On stove, medium heat cook 40-45 minutes or till dal is completely tender. You may need extra water to cook mixed lentils.
Cook lentils for 7 minutes on high pressure.
Give cooked dal a good mix using ladle or whisked baloon. If the dal is very thick, add some warm water to bring it at right consistancy.
Heat a small pan or kadai then add oil. Add cumin seeds and hing in hot oil.
Allow cumins crackle, then add dry red chillies, chopped onion and garlic.
Saute onion and garlic for 3-4 minutes or till little pink, add red chilli powder.
Add tadka into boiled/cooked dal.
Turn the heat back on and simmer the dal for 2-3 minutes again on medium- high heat.
Mix lemon juice, garnish with coriander and serve hot.
