Fry coriander, turmeric, spices, pepper, cummin and the sounf together and before removing, stir in the chilly powder. Grind it along with the garlic and shallots.
Pour the oil, saute the ginger, curry leaves and the onions for 3 minutes, add the ground masala. Fry well adding the meat pieces. Pour 3 or 4 cups of water, vinegar and salt and cook. When the meat is cooked soft and gravy thick, remove from fire.