Boil water in a large pot and add salt in the water.
Next add pasta in the water and cook until it becomes Al Dante.
Save a cup of pasta water before draining the water.
Drizzle the pasta with olive oil after draining the water to prevent it from sticking together.
Now melt butter in a pan and add chopped onion and chili. Sauté for few minutes.
Next add ginger and garlic paste and cook until the raw smell is gone.
Add spice powders including tandoori masala, turmeric, red chili powder, dried kasuri methi and combine well.
Add saved pasta water at this time to avoid burning the spices.
Now add chopped bell peppers and cook for few minutes.
After that add milk to the mixture and allow to boil.
Add grated cheese next and mix well for couple of minutes or until the cheese dissolves. Check the seasoning.
Finally reduce the flame and add boiled pasta. Combine with the tandoori sauce and turn off the gas.
Add more grated cheese and chopped coriander on top and serve hot.