Clean and wash the fish and keep it aside. Grind the grated Coconut with fennel seeds, garlic, 2 small onions, turmeric powder, chilli powder and little curry leaves.
Pour this ground coconut paste into a mud pot .Add green chillies, tomato, tamarind, salt and allows it to boil.
Then add fish pieces , cover and cook in low flame for 10-12 minutes. (Check occasionally)
Heat coconut oil in a pan and splutter fenugreek seeds, fry shallots and curry leaves.Pour this into the fish curry.
Enjoy the fish curry with steamed rice.