Slash chicken thighs in several places with a small knife and place in a shallow baking dish and set aside.
In a small bowl, combine yoghurt, cumin, pepper, cinnamon, cloves and salt.
Pour the above mixture over chicken, turn to coat well and cover.
Chill for 2 hours or overnight, turning occasionally.
Preheat broiler.
Place chicken thighs on broiler rack or foil lined jelly-roll pan.
Broil 5 to 6 inches from heat, turning occasionally, 25 minutes or until chicken is tender.
Place on a serving platter and sprinkle paprika.