Take a bowl and put a oil of 2 tsp and put onion,green chilli and fry until it comes up to light brownish color.

Now add the ginger garlic paste and fry till it cooked very well.

Add salt,chili powder and tumeric powder and heat for sometime

Now add crab and keep frying till it cooked and garnish with coriander leaves.

Now delicious crab curry ready..