1. In a large bowl, combine 1 cup yogurt, 1 tablespoon lemon juice, 2 tablespoons tandoori masala, 1 tablespoon garam masala, 1 teaspoon each of ground cumin, ground coriander, turmeric powder, and paprika.

2. Add 1 teaspoon chili powder (optional), 4 minced garlic cloves, 1 inch grated ginger, 1 teaspoon salt, and 2 tablespoons vegetable oil.

3. Mix until smooth to create the tandoori marinade.

4. Make 2-3 slashes on each chicken drumstick with a knife.

5. Coat the drumsticks thoroughly with the marinade.

6. Place the marinated drumsticks on a tray, cover, and refrigerate for at least 4 hours, preferably overnight.

7. Preheat the air fryer to 360°F (180°C) for 5 minutes.

8. Arrange the marinated drumsticks in a single layer in the air fryer basket.

9. Cook for 25-30 minutes, turning halfway through, until the internal temperature reaches 165°F (75°C).

10. Serve hot with naan, rice, chutney, or a fresh salad. Enjoy your flavorful air fryer tandoori chicken drumsticks!