Heat oil. Add all the whole spices and cumin seeds till spluttered.
Add the ginger paste and green chillies and briefly fry.
Add the potatoes, turmeric and salt and mix well.
Cook on low heat, stirring occasionally till almost half done.
At this stage, add the cabbage, green peas, chilli powder and mix well. Cook till done, stirring occasionally.
Sprinkle the garam masala and cook for a couple of minutes. Serve hot with coriander leaves.