Ingredients:
500 g - hilsa or rohu
1 small - cauliflower, broken into flowerets
150 g - shelled green peas
100 g - peeled small potatoes
2 - big onions
1 inch piece - ginger
1 tsp - turmeric powder
4 flakes - garlic
1 big cup - beaten curds
1 tsp - garam masala
1/2 tsp - cardamom powder
a few springs of coriander leaves
salt and chilli powder to taste