Cut salmon into small pieces and marinate it with turmeric powder, chilli powder, coriander powder, salt and keep aside for 1 hour.
Heat oil in a pan and add sliced onion and fry it.
Add chopped garlic, ginger and curry leaves with this.
Add sliced tomatoes and cook for 10 minutes in medium flame.
Add marinated fish and tamarind water with this.
Turn the flame into medium and wait till the fish gets cooked.
Switch off the flame when the fish is cooked.
Heat oil in a pan and add fenugreek seeds.
Heat till it smells and add this to the curry.
:- Now your delicious curry is ready..enjoy...!