In wok,add oil,cumin seeds and mix.
Add onion and green chilies,mix well and cook onion are light brown.
Add ginger garlic paste and mix.
Add potatoes and mix well.
Add red chili crushed,salt and mix well,cover and cook on low flame until potatoes gets tender (15-20 minutes) and keep mixing in between.
Add fresh coriander,mix well & serve.