The taste will be hot and sour.

 For 4 people 

Ingredients:

•  500 gm dressed Hilsha fish cut into medium sized pieces 
• 150 gm green mango (cut into big pieces) 
• 2-3 green chilli 
• 1-tablespoon rai (black mustard seeds) 
• 1-teaspoon turmeric powder 
• 1/2-cup mustard oil 
• Salt and sugar according to taste 

Preparation: 

1. First marinate the fish with a pinch of turmeric powder, salt & few drops mustard oil. 
2. Heat the oil in a pan and medium fry the fish carefully and keep aside. 
3. Heat the oil in a pan, add the rai and sauté. 
4. Add the green chilli and mango pieces and cooked it for few minutes. 
5. Add turmeric powder, salt and sugar to taste & cooked it for 2 min. 
6. Then add the pre-fried fish & cooked it for 2-3 min with cover. 
7. The dish is ready and serves with steamed plain rice.