Heat 1 tbsp oil in deep pan; add mustard seeds, cumin seeds and pinch of hing.
When seeds are crackles, add chopped tomato and stir fry till become soft then add cauliflower florets, potato cubes and green peas and mix well.
Now add turmeric powder, salt, red chili powder and mix well.
Add 1 cup water, cover the lid for 10-15 minute or till cooked.
While cooking check and stir occasionally (add water if needed).
After cooking; add garam masala, kasoori methi (crushed with hand), mix well and cook on medium flame for 2-3 minutes.
Garnish with chopped coriander leaves.
Aloo Gobi Matar Rassevali Sabji serve hot with pulao, biryani or any rice dishes, or Indian flat breads