Well, no the hostel fees are not included in the course fees shown on the website, you have to pay them separately. The accommodation charges for the NMIMS Shirpur campus and Mumbai campus vary from each other. I have friends studying on both campuses and they are currently paying the following charges.
All in all, hostel fees especially at the Mumbai campus can be very expensive despite four-seater rooms. Also, preference is given to students who are from outside Mumbai. If you have budget constraints, you can easily rent a flat near the campus with your friends as most students do.