This will entirely depend on your interests, seriousness, and perspectives on entrepreneurship. If you are looking for entrepreneurship and in the future, plan to become an entrepreneur or see yourself as one, you should definitely attend it.
It is worth attending and the internship fair has more than 50 different companies that also offer internships to MBA students. In 2020, some of the prominent speakers were Chinmoy Panda, Vaibhav Agarwal, Jonathan Bill, Kanika Tekriwal.
Moreover, they also have a good Comedy Festival where that is a lot of stand-up comics that show their talent. You should attend it.