Simple fish curry

Red snapper fillets 500 grams, cubed into 2 inch pieces, shallots 10, ginger 2 inch piece, garlic 5 cloves, all three finely chopped, tamarind concentrate 11/2 tsp., Kashmiri chilli powder 1 tbsp.,
turmeric powder 1/4tsp., fenugreek powder 1/4 tsp., coconut oil 1 tbsp., tomato 1, sliced,
curry leaf a sprig.
In a wok, take a cup of water, along with tamarind concentrate, except fish pieces, tomato, and coconut oil , mix all other ingredients, allow to boil, add fish pieces, allow to cook, add
tomato, simmer the flame, allow tomato to cook, pour the oil, swirl the wok, enabling oil to get mixed, add curry leaf. Fish curry ready.