* Clean and wash the white fish and slice properly.
* Take hot water to mix the chilli powder, coriander powder, turmeric powder, salt and kockam [ kodampuli].
* Heat oil in a pan add mustard splutter, add chopped onion, chopped ginger and curry leaves.Saute till the onion softened.
* Add soaked masalas and kocum, stir well for 2 minutes.
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* Add sliced fish pieces, add 1 cup water and saute.
* Cover with lid and gently simmer for 5 minutes until the fish is cooked and gravy thickened.
* Remove into a bowl and serve with rice, chapati.