1. Clean and wash the fish.
2. Apply turmeric powder and salt. Keep aside for 30-45 minutes.
3. Heat oil in a non-stick kadai, add curry leaves and green chillies.
4. When you get the aroma add the ground masala and very lightly saut� it.
5. Add water depending on the consistency
6. you need.
7. It should not be too watery or too thick.
8. Boil it really well on a low flame so that the raw smell goes off.
9. When it boils add the fish slices and the tamarind water.
10. Very gently mix.
11. Cook for few minutes till the fish is done.
12. Garnish with coriander leaves and slit green chillies.
13. Cover it for some time so that the flavour is retained.
14. Serve with steamed rice.

Note:
During summer one can also use raw mangoes instead of tamarind.
Grind the raw mangoes along with the other ingredients to be ground and use it.