Creamy Pasta in White Sauce

Name: Creamy Pasta in White Sauce
Ingredients: 3 cups cooked pasta; 1 tsp olive oil; 1 cup capsicum cubes (red and yellow); 1/2 cup blanched broccoli florets; 1/2 cup boiled sweet corn kernels; 1 tbsp butter; 1 tsp finely chopped garlic (lehsun); 1 tbsp plain flour (maida); 2 cups milk; 1 tsp dried oregano; 1 tsp dried thyme; 1 tsp dry red chilli flakes (paprika); to taste salt and freshly ground black pepper (kalimirch); 2 tbsp grated processed cheese; 1/4 cup grated processed cheese & Chilli Flakes for the Garnish