For preparing special meen pollichathu, first marinate the fish pieces with turmeric and salt.
Lightly fry the fish and keep aside.
Heat oil in pan, add fenugreek seeds, onion, ginger-garlic paste, green chillies and tomato.
Add chilly powder, coriander and pepper corns.
When color changes, add cumin powder, fish masala and salt.
Add gambooge and fry well.
Add curry leaves and water.
Make a thick masala.
Cut the plantain leaves and keep on direct flame and heat it.
Place the masala in leaf and above place the fish and masala again. Tightly cover the leaves.
Repeat this for all fishes.
Heat pan, pour oil and place the leaves on top and cover and fry it.
Turn in between and fry. You can also steam it in steamer for 10 minutes.
Meen pollichathu is ready.