Rinse the fish well and clean it.Then add in salt turmeric powder and give it a rinse.Now cook in a open kadai with enough water,a pinch of turmeric powder and required salt.You can see the color and texture change.
Once its cooked, peel off the skin and discard it, discard the center bone too,Now shred the cooked flesh and set aside.In a kadai – heat oil add mustard seeds let it splutter,then add curry leaves and green chillies saute for a minute.
Then add garlic and onion,saute till slightly golden then add cooked fish.
Add turmeric powder,red chilli powder and keep sauting in low flame until there is no moisture.
Once you see the fish has blended well with the masalas and when it becomes dry, add coconut and roasted jeera powder.
Keep sauteing for few more mins until its slightly browned.Garnish with coriander leaves,give a quick toss and switch off.