Mix butter, 2 teaspoons of the garam masala and 1 teaspoon of the honey in small bowl. Brush naan and peaches with honey mixture.
Grill naan over medium heat 2 to 3 minutes per side or until toasted. Grill peaches 2 to 3 minutes or until grill marks appear. Slice peaches into 1/4-inch thick slices.
Mix yogurt and coconut; spread on each naan. Top with sliced peaches. Sprinkle with pistachios. Mix remaining 1 tablespoon honey and 1/4 teaspoon garam masala. Drizzle over top.