Nellore Fish curry (Nellore Chepala Pulusu)

Preparation (Cook on Slow Flame)

Take a pan put oil, add mustard seeds, cuminseeds, methi seeds, chopped onions, ginger garlic paste,green chills , fry till it becomes soft.
Add tomatoes, chilli powder, turmeric powder, salt, coriander powder, cook for few min.
Add tamarind juice, boiled for some time, cook on slow flame.
Then add fish pieces cook for 15 min. 
garnish with chopped coriander

Ingredients

1 lb fish
1 cup onion
oil
1 cup tomatoes
1 cup tamarind juice
1 tbs mustard seeds
1 tbs cumin seeds
1/2 methi seeds
1 ts ginger garlic paste
2 green chilli
2 tbs chilli powder
1/4 turmeric powder
1 tbs coriander powder
salt
curry leaves
coriander leaves