In a large mixing bowl, add chopped onions, 150g of Yogurt, oil, ½ tsp of3 Turmeric Powder tsp of red chilli powder, 4 tsp of coriander powder and green chillies, mix well and keep aside.
Marinate the fish with 150g of Yogurt, oil, ½ tsp of Turmeric Powder, 3 tsp of red chilli powder and 4 tsp of coriander powder.
Add the onion mixture to a hot pan and saute the mixture until the water from the onions dry out.
At this point, add the pieces of marinated fish to the pan and mix well on high flame to ensure the masalas coat the fish. Turn to a simmer and cover the pan to allow the fish to cook. Cook the fish until the old surfaces.
Garnish with fresh coriander and serve with steamed rice or garam garam phulkas.