Clean the crabs and rinse with salt water.

Heat oil in a pan and fry grated coconut until golden brown in color.

Lower the flame and add chilly powder, turmeric, coriander and pepper powder.

Saute for a few seconds and grind to a fine paste.

Take a pan and put crab pieces and tamarind water. Allow it to boil and add ground coconut.

Add salt and curry leaves. Add hot water if you require loose gravy. Turn off flame when crab is well cooked.

Take a pan add heat little oil. Fry onions and pour into curry. Serve hot.