Chili fish curry

Mahi mahi fish fillets 1lb,cubed,onion 1,chopped,garlic cloves 4,ginger 2 "piece, lemon juice 1tblspn,
tomato sauce 1/4cup,tomato 1,cubed,salt to taste, curry leaf 1sprig,coconut oil 2tsp.,fenugreek powder 1/4tsp,kashmiri chili powder 1tsp, turmeric powder 1/4tsp., chili colour a pinch.
In a wok, add onion, garlic, ginger and chili and turmeric powders in 2 cups water, allow to boil, at boiling point add fish pieces, chili colour,
 lemon juice, and salt to taste and cook in low flame. When cooked add tomato sauce and tomatoes.
Allow to simmer, add fenugreek powder and coconut oil, swirl the wok to spread evenly, garnish with curry leaves.