In a medium-sized bowl, mix together 2 tbs. plain yogurt; 1/4 tsp. each cardamom, coriander, ginger, turmeric, cayenne; 2 cloves chopped garlic. Clean and devein 16 large shrimp. Pat dry. Add to the bowl and stir into the mixture to coat all shrimp evenly. Cover with Saran wrap and refrigerate for 2 hours or more.
When ready to cook, bring shrimp and marinade to room temp. Put shrimp on paper towels to remove excess marinade. Place shrimp on a cookie sheet so not touching. Preheat oven broiler to hottest temperature. Place shrimp under the broiler on top rack for 6 minutes. Do not turn the shrimp. Take out of oven.
Serve with rice and chutneys.