Ingredients:
1/2 kg - rohu or hilsa fish, cut into small pieces
1/2 tsp - coriander leaves chopped
1 tsp - mustard seeds
1 tsp - poppy seeds
1 tsp - cumin seeds
4 to 5 - kashmiri chillies
8 - garlic flakes
1/2 tsp - turmeric powder
1/4 tsp - kalonji
1 - small raw mango, cut into pieces or 2 - tomatoes
4 - green chillies chopped
4 tbsp - mustard oil
a little curry leaves
salt to taste