Clean and chop the crabs and keep aside.
Heat oil in a round bottom pan or kadai.
Add 1/4 tsp fenugreek seeds and curry leaves and toss for few seconds.
Add green chillies and crushed ginger garlic and saute for a minute.
Add onions and shallots with enough salt and saute till the onions turn translucent.
Add chopped tomatoes and saute till they turn mushy.
Add all the dry spice powders and mix well.
Add the crab pieces and mix well so that the masala coats every single piece.
Add 2 cups of hot water and cover and cook for 15 mins.
After 15 mins open the lid and sprinkle few curry leaves and switch off the flame.
