Wash the rice and dal together. Add some tap water and gently rub with your fingers.
Drain out the water. Add some again. Repeat this 3-4 times.
Add 4½ cups of water to the rice lentil mixture. Let it soak for at least 30 minutes.
Add ghee to a pressure cooker or the inner steel pot of the Instant Pot.
When the ghee melts, add cinnamon, clove, peppercorns. Allow them to sizzle a bit.
Add the mustard and cumin seeds. Add the red chillis. Also add the ginger strips and stir fry for 30 seconds.
Add asafoetida and the soaked rice lentil mixture along with the water.
Add salt and turmeric powder. Stir the mixture.
Cover the pressure cooker with the lid. Allow the khichdi to cook over medium heat for 2 whistles.
After two whistles switch off the heat. Allow the pressure to release naturally. Then open the cooker lid.
If you have soaked the rice and dal then the khichdi gets done in two whistles. If you haven't soaked it then you may need to cook for 3-4 whistles.
If you are using the instant pot, close the lid after adding the rice lentil mixture. Click on the rice setting.
Allow it to cook according to the setting. Usually it is 12-14 minutes.
Allow the pressure to release naturally.
Serve khichdi with any shaak of your choice, kadhi, some pickle, papad, Kachumbari.