Drain the water from the tin and fry the tuna in high heat in a wok with turmeric till the fish aroma goes off and keep it aside.
In the cooking pan, add oil heat and add grated coconut, and aniseed cook it till gets brown .
Add chopped garlic and ginger cook it first till it gets brown.
Add onions and cook it till it gets brown.
Add chopped tomatoes and leave it in low heat for 15 minutes.
Add all the powder with water after the tomato gets cooked well.
:- Cook these on high heat for 10 mins.
Add the cooked tuna and cook it for 20 minutes till the gravy gets thick.
Leave it aside for 10 minutes.
:- Serve it with hot rice with pickle.