Wash and chop potatoes in long french fries size
Take fry pan add mustard oil,once heated
Add cumin and let it crackle
Add red and green chilli
Add onion and saute fir 3 miutes
Add potatoes and add turmeric and salt
Cover the lid and let the potato cook and become tender
Now remove the lid and fry till its became crispy and light golden brown in color
Serve hot with chapati/roti/paratha
