Soak rice vermicelli noodles in warm water for 5 minutes; drain completely.
Heat vegetable oil in a wok on high flame.
Sauté garlic paste, julienned cabbage, carrot, and capsicum rapidly for 2 minutes.
Add soaked noodles, soy sauce, turmeric powder, black pepper, and salt.
Toss continuously on high flame for 2 minutes and serve hot.