Take microwave safe plate and place potatoes on it without lid and cook for 10 minutes over high temperature.
Remove the skin and cut it into one-inch size pieces.
Note: If you are using baby potatoes then you need not cut them. Usually, while cooking on microwave we cut vegetables into the small size to increase surface exposure.
Take another microwave safe bowl and add jeera, oil, asafetida, green chillies, ginger pieces, garlic paste and turmeric powder. Mix well
Without lid covered, put at a high temperature for 2 minutes.
Add potato and salt to the above mix and cook for 2 minutes at a high temperature for 2 minutes.