* 1 (3-pound) chicken, cut into serving pieces, skinned and trimmed of all visible fat * 1/2 cup plain yogurt * 2 tablespoons fresh lemon juice or malt vinegar * 1 tablespoon minced garlic * 1 tablespoon peeled and grated or crushed ginger root * 1 tablespoon ground cumin * 1 teaspoon ground coriander * 1/2 teaspoon cayenne pepper * 1/4 teaspoon ground cardamom * 1/4 teaspoon ground cloves * 1/4 teaspoon fresh-ground black pepper * 2 teaspoons salt, or to taste * Vegetable oil, for brushing * Fresh cilantro sprigs for garnish * Slices of cucumber, red (Spanish) onion, tomato and lemon, for garnish