HEAT oven to 400°F.
MIX coating mix and 1 tsp. curry powder in shaker bag. Add fish, 1 piece at a time, to shaker bag; shake until evenly coated. Place on foil-covered baking sheet sprayed with cooking spray.
BAKE 20 min. or until fish flakes easily with fork. Meanwhile, mix mayo and remaining curry powder in large bowl. Add coleslaw blend, mangos, cucumbers and nuts; toss to coat.
SERVE fish with coleslaw.