Heat oil in a kadhai/pan. Add fenugreek seeds, mustard seeds, cumin seeds, nigella seeds, fennel seeds and asafoetida.
Add coriander powder, jeera powder and mix it well for few seconds.
Add chopped onion and saut till it becomes golden brown on low to medium flame.
Add chopped green chilies, turmeric, red chili powder and again saut for a minute.
Add cauliflower florets, salt, sprinkle 1-2 tbsp water and mix well, cover it for cook till semi cooked, but not completely cooked. Stir it in between while cooking, avoid to stick to the bottom.
Add ginger-garlic paste, yogurt and mix well, saut on a medium flame for 4-5 minutes till yogurt gravy become thick.
Achari Gobhi is ready, garnish with chopped coriander leaves and serve with roti, paratha.