Ingredients

Puzha Meen (river fish)    1
Chilli powder    1 tsp
Coriander powder    2 tsp
Cumin seed    
Turmeric powder    ½ tsp
Salt    
Coconut oil    1 tsp
Mustard    
Curry leaves    
Green chilli    4 nos
Ginger    1 tsp
Coccum (kudampuli)    2
Garlic    4 pods

Method of preparation

Heat some oil in an earthen vessel. Put green chillies and stir. Next, add chilli powder, coriander powder and stir. Add garlic, followed by some water. Next add turmeric, salt and coccum. Upon boiling, add the cut pieces of fish and cover the vessel. Also add crushed ginger, garlic and cumin. Once the fish gets cooked well, remove the vessel. Take a small pan and heat some oil. Put some mustard and curry leaves and stir. You can now add this on top of the cooked fish.