Ingredients:
4 medium size mackerels or white pomfrets
salt & lime juice for marinade
4-6 dried red chillies
1/2 tsp cumin seeds
1/2 inch cinnamon stick
2 cardamom pods
1/2 tsp cloves
1 Tbsp peppercorns
2 tbsp coriander seeds
2 Tbsp bright red paprika powder
1 Tbsp vegetable oil
1 small onion, peeled and chopped
6-8 garlic cloves, chopped
1/2 inch ginger piece, chopped
1tsp salt
2 tbsp vinegar