South Indian Chicken Curry

Name: South Indian Chicken Curry
Ingredients: 1 pound chicken thighs; 4 tablespoons ghee (olive or vegetable oil is ok); 1/2 of a yellow or white onion, sliced thinly; 1 cinnamon stick; 3 whole cloves (or 1 tsp powder); 4 curry leaves; 1 teaspoon fennel seeds; 1/2 tablespoon ginger garlic paste***; 1/2 tablespoon chili powder; 2 tablespoons coriander powder; 1/2 teaspoon turmeric powder; 1 teaspoon cardamom powder; 1-1 1/2 teaspoons salt; 1 large red tomato, sliced thinly; one 8 ounces can tomato sauce; 1 1/2 cups water; 1/2 cup plain yogurt