Heat some water in a vessel and then put the steamed crabs into it.
Next, add turmeric powder and chilli powder. Stir gently.
Add salt, followed by crushed green chillies (kanthari) and garlic. Stir gently.
Put some curry leaves and coriander powder. Stir well.
Once the ingredients settles down after losing much of the water, pour little amount of oil and stir.
Next, add some pepper powder, stir well and remove the vessel from the flame.
Notes :For the best results use clay pan
For a tribal mode , try it in a hearth aka Adupp