Heat up oil in a pan and fry garlic for 1-2 minutes.
Add chicken and fry for 3-4 minutes in a high flame.
Add salt, crushed red chili, oregano leaves, white pepper, tomato paste and fry for 2 minutes.
Take off the pan from stove and add ketchup, mushrooms, onion and red, yellow, green capsicum in it.
Cook for 1-2 minutes.
Add boil macaroni in the pan. Mix well, sprinkle some cheese over it and serve.