Cut crab into small pieces.

Add chilly powder, turmeric powder, coriander powder and salt.

Add one small cup of water and boil it for ten minutes in a vessel.

Heat oil in a pan.

Fry onion till brown.

Add curry leaves, ginger, garlic and green chillies and fry well.

When it becomes light brown in colour, add tomato paste and mix it nicely.

Pour the crab contents into this pan and cook it for ten minutes on a low flame.

When the gravy becomes thick, switch off the flame.

:- Serve with chappathi & rice.