Heat oil in a pan add chopped garlic once cooked add carrot, capsicum and corn saute it for 3-4 mints.. Once done take them out in a bowl..

In the same pan heat butter and add all purpose flour and cook it nicely than add half of the milk mix it nicely and let it boil and be thick..

Now add the remaining milk and add salt, black pepper powder, chilli flakes and mix nicely and let the sauce to b thick and cook nicely..

Now add the vegies which we have already cooked and mix well.. After that add the boiled pasta and mix really well.. our hot and sauce pasta is ready..