Your route .
Rome — 4 nights stay
Arrive in Rome airport. Get transferred to your hotel..
Morning Free Walking tour in Rome.
San Pietro in vincoli.
Train ride to Milan
Milan — 4 nights stay
Checkout of your hotel. Take your train from Rome to Milan. Check-in to your new hotel.
Take your flight back to India. Hope you end up with a lot of memories and a few souvenirs too..