Add turmeric and salt in fish and marinate it for about 1-2 hours

Add oil in a pan and keep stirring the fish for 5 minutes

Add oil in a pan and keep frying the fish for 10 minutes

Add oil in a pan and heat it with mustard seeds and chopped onions

Add oil and mustard seeds in a pan and heat it for 5 minutes

Add ginger-garlic paste and keep frying until it becomes brown

Add chopped tomatoes and chopped green chilli and stir for 5 minutes

Add fried fish and cook for 5 - 10 minutes

Add water in the mixture and stir it for another 14-20 minutes