1. Wash fish very well, and marinate with lemon juice
2. Heat oil in a pan add onions fry them till soft then add ground masala, chilli powder, salt, turmeric. Mix well.
3. After this don�t mix the curry with spoon, if you want you can move the pan.
4. Add very little water let it cook for few mins then add chopped coriander leaves.
5. Serve hot with rice.

Note:
You can use any river fish for this curry.