Mix all the ingredients together, and marinate it for at least 1 hour. Put all the lamb cubes in the skewer. Cook it on grill.
For a smoky flavor take a pan and put all the cooked pieces in it. In the center put a bowl with 1 tea spoon ghee in it. Heat two pieces of hot charcoal, put it in the bowl with ghee in it and close the lid tight it for ½ an hour.