In a large mixing boil red chili powder, 2 tbsp dry ginger powder, 1 tsp garlic powder, 1 tsp onion powder, 1 tsp white pepper powder, 1 tsp black pepper powder, 1 tbsp hot chili sauce, 3 tbsp vinegar, 1 tbsp salt, 1 tbsp Chinese salt, 1 tbsp mustard paste mix well like a paste.
Now add all chicken drumstick mix very well. Marination time 3 hours.
After marination, In a large mixing bowl add dry flour, one by one add drumstick, and fully cover on dry flour on the chicken drumstick. Well, coating all chicken drumstick.
In a cooking pot add oil for deep frying.
Once your oil is hot add one by one chicken pieces. 10 to 12 min of frying time.
Once chicken drumstick golden color and crispy. Serve hot.