Heat 1/4 tsp of oil in a pan.
Add chilly powder into it and heat it stirring continuously.
Grind together grated coconut, small onions, turmeric powder, roasted chilly powder and fenugreek powder into a coarse form.
:- It shouldnt be a very fine paste.
Heat up a Meen chatti or earthern pot.
Add the cut fish, the coconut paste, tamarind water, salt and split green chillies.
Boil it and cook, till the fish is tender.
Switch off the fire and sprinkle rest of the oil and curry leaves.
:- Split pieces of drumstick adds to the taste.