Ingredients
fish - ½ kg
red chilli powder - 2 tsp
coriander seeds - 3 tbsp
fennel saunf) - 1 tsp
poppy seeds(khus khus) - 1 tbsp
For Seasoning :
oil - 2-3 tbsp
mustard - ½ tsp
black gram (urad) dal - ½ tsp
fenugreek - ¼ tsp
fennel (saunf) - ½ tsp
curry leaves - few
onion - ¾ cup, chopped
garlic - 6 flakes, chopped
tomatoes - 1 cup, chopped
tamarind extract - to taste
salt - to taste

Method
Wash the fish slices.
Grind red chillies with coriander seeds, fennel and poppy seeds.
Heat oil, season with mustard, black gram dal, saunf, fenugreek and curry leaves.
Add garlic and onion and fry till onions are light brown.
Add ground masala, fry well.
Add tomato and tamarind extract. Simmer for a few minutes.
Add fish and salt. Cook till done.