Ingredients:
hilsha or rohu fish - 500 gm
curds - 1/2 cup
chilli powder - 1 tsp
turmeric powder - 1/2 tsp
onion - 1 big
ginger - 3 cm
mustard oil - 4 tbsp
cloves - 2
cinnamon - 2
cardamom - 2
bay leaf - 1
green chillies - 4, slit
coriander leaves to garnish
salt to taste