Heat oil in a pan. Add the cumin seeds. Saute.
Next, add the sliced onions and saute. Cook until they turn translucent.
Add the green chili next and mix.
Next, add in the tomatoes and saute. Saute for 2 minutes or until the tomatoes start to get mushy.
Add the powdered spices next and saute.
Add the boiled and chopped potatoes and mix well.
Pour water over the mixture and mix well.
Once the water starts boiling, break open an egg. Let the egg cook a bit and mix everything together.
Cook the mixture for 2 minutes so that the egg is perfectly cooked.
Garnish with chopped coriander leaves and serve hot with rice of your choice.