If you wish to live in the Universities’ accommodation, you must apply for this in advance. Thus, as soon as you have an offer, ensure that at least you check this bit of information.
Check out and buy your insurance, do your medicals, buy forex, attend a pre-departure briefing (Girnar Global holds a pre-departure program for all students) and get answers to questions like how to open a bank account, what is the life going to be like, about food, etc.
Ensure that you also book your tickets as soon as you get your visa (or at least block them) because most students would be traveling at the same time like yourself (evidently) and there might just be some rush.
You should also try and get in touch with students who are already studying at the Universities you have selected. They are generally useful and helpful too when you ask them some questions about the place, the university, the cost involved, etc. Online networking sites like Facebook, Twitter, Google+ and more could be very useful during these times. While talking to students, you must clearly mention your plans and viewpoints. This is important as they may have had different plans altogether when they would have decided to study at their Institution. Also, please ask more than one student at a specific university to ensure more students have similar opinions.