Add 1/4tsp turmeric powder in 2cups of warm water and soak cauliflower and potatoes in it.

Heat oil in a kadhai, add cumin seeds, when they crackle add onions and cook till they turn translucent.

Add tomatoes and cook for 2-3mins

Add all the dry spices along with salt and 2tablespoon water. Mix well and cook till oil separates.

Strain the cauliflower and potatoes, and add them to onion tomatoes. Mix well and cover cook for 20-25mins.

Garnish with coriander leaves and serve hot with chapati.