Marinate the potatoes with turmeric powder, red chili powder, and salt.
Pre-heat the air fryer at 400°F for 5 minutes.
Add the marinated potatoes to the air fryer. Cook them at 400°F for 10-15 minutes or until the potatoes are done.
Turn on the Instant Pot and set to Saute mode. Once it's heated, add in oil.
Once the oil starts to heat up, add in the cumin seeds, mustard seeds, fenugreek seeds, and nigella seeds.
Add in the chopped onions next along with the chopped green chilies and saute. Cook until the onions are translucent.
Take curd in a bowl and add the powdered spices. Whisk it.
Add the whisked curd into the instant pot mixture and saute.
Add air fried potatoes to the mixture and mix well.
Garnish with chopped coriander leaves.
Serve hot with rice or chapati.