Preparation Method: Clean 1kg fish make pieces and keep them aside,Fry mustard in cooking oil with cumin,100gm chopped onion,2 green chilli,3 tomatoes and curry leaves.Add 50gm tamilachi fish curry masala,Along with necessary tamarind pulp.1 cup coconut paste,add cleaned fish pieces and boil for 5 more minutes,Garnish with chopped coriander leaves,Now tasty fish curry is ready.