Heat oil in a heavy bottomed pan and splutter cumin seeds, add curry leaves and fry for 10-12 seconds.
Add grated ginger and green chillies and sauté for half a minute at low flame.
Mix in all the spices except garam masala and mix.
Then add shredded cabbage, chopped carrots and green peas, mix well and cover with a lid and cook for 10-12 minutes. Stir in between.
Cook till its all shrunk and if there is some water released by cabbage, cook for a few minutes at low without any lid to dry it up if needed. Keep stirring occasionally
Once cooked, sprinkle garam masala and chopped coriander, fold in well and serve with roti or rice.