Well this a debatable question I would like to answer this by comparing various factors
Campus Life
No doubt you are thinking that BITS Goa will have a better Campus life, But it is not like that. Both the campus have equally chilling campus life. In fact Hyderabad campus enjoys more freedom when compared to Goa. In Goa you need permissions for going out of the campus, and you can not be out of the campus for more than certain number of days, where as in Hyderabad you can spend your entire semester at your home/elsewhere you need no permission for the same.
Surely Goa is cool place to party, but both the campus are strict about the rules of alcohol and smoking inside the campus.
Campus Culture
Goa has better technical culture when compared to Hyderabad. Hyderabad is still developing itself in technical domain. They have more established clubs, and teams. Hyderabad has also got clubs, but I think Goa has an advantage here.
Campus Infrastructure
Both the campus are lush green, but Hyderabad campus is recently made and hence it enjoys the benefit of better infrastructure. Hostel Rooms in Hyderabad campus are almost double the size of that of Goa campus. Hyderabad has awesome whether (except for the month of April & May) but in Goa it may rain anytime of the day.
Academics & Curriculum
Well there is no difference between the campus in this point, both have the same courses & same books. Teachers are also good in both the campus.
Sports & Facilities
These are equally good in both the campus though none of them have swimming pool 😛 .
Advantages of GOA Campus
The campus is older and hence have more pass-outs. The Goa campus has established its own brand name unlike Hyderabad which is still working hard to establish one. You can frequently go to sea beaches (I don’t know about the restrictions though).
Advantage to Hyderabad Campus
Located near the city of Nizams, Hyderabad campus has a city advantage which none of the other campus (Goa & Pilani) have . Hyderabad is one of the fastest growing IT industry hub, the govt. is putting immense amount of work to make it the best city for Entrepreneurship and IT Industries. The other advantage is relative freedom compared to Goa campus.
Conclusion
Decide yourself what you like more, feel free to contact me.
Have a happy life 🙂