Press SAUTE on Instant Pot. Heat ghee (or oil). Add in the cumin (jeera) seeds and hing (asafoetida). Let cumin seeds splutter.
Add chopped onions and saute till onions turn light brown.
Add the chopped green chilies, ginger, and saute for a minute.
Then add tomatoes and cook for 1-2 minutes till they turn mushy.
Then add mixed vegetables, spices like turmeric, red chili powder, salt and cook for a minute.
Next, add the rinsed moong dal, rolled oats, and saute for 2 minutes.
Then add water. Mix everything well. Also, deglaze the pot, i.e., make sure no food particles are sticking to it to avoid burn alerts.
Close the lid securely, and turn the vent to "SEALING". Select the PRESSURE COOK/MANUAL (High Pressure) setting and set the cooking time to 8 minutes.
When the instant pot beeps, allow the pressure to release naturally for 10 minutes, then release any remaining pressure before removing the lid.Lastly, add coriander leaves, and mix the khichdi well.Note: If khichdi is not mushy or too dry, select saute mode. Then add ½ cup of water and cook for another minute. Instant Pot Oats Khichdi recipe is ready, serve with either yogurt, raita, or kadhi.