Wash the little millet and soak it in water for at least 15 minutes.
Press SAUTE, add oil, once hot add in the mustard seeds, jeera and, let them splutter.Then add hing, green chilies, ginger (optional), curry leaves, and saute for few seconds. Then add onion. Saute for a minute or two till the onion turns slightly brown in color.
Add chopped mixed vegetables, soaked millet, ¾ cup of water, salt and mix well. Deglaze the pot ie make sure there is no food particle sticking to the pot to avoid burn alerts.
Close the lid on the pot, and turn the pressure valve to SEALING position.
Set the pot to MANUAL/PRESSURE COOK (High Pressure) and set the timer to 4 minutes (If not soaking, set the timer to 6 minutes). When the instant pot beeps, do a Natural pressure release.
Lastly add grated coconut, coriander leaves, and lime juice and mix well.
Samai upma is ready to be enjoyed with coconut chutney and chai.