Yes, students from Bihar/Jharkhand go to Visva Bharati University for studies. In fact students from all over India come to Visva Bharati. You will meet students from far south to North East, on campus. You can easily find students from your community. At first, it can be difficult to adjust, as the majority of the students are local. Many professors also use Bangali while teaching. If you face difficulty understanding, you can ask them to repeat the same in English. Over time, you will also start to understand the language.