2. In medium bowl combine turkey, 1/4 cup chutney, salt, pepper and hot pepper sauce. Shape turkey mixture into 4 burgers, approximately 3-1/2 inches in diameter. Grill turkey burgers 5 to 6 minutes per side until 165°F is reached on meat thermometer and turkey is no longer pink in center.
3. In small bowl, combine yogurt, curry powder and remaining 1/4 cup chutney.
4. To serve, place burgers on bottom halves of buns; spoon yogurt mixture over burgers and cover with top halves of buns.