Hello,

There are so many B.ed college are present. In Bihar you can check

1. Government teacher's training college, Samastipur

2. Government B.ed college.

In Gaya you can check -

1., Mahesh singh B.ed college

In Muzaffarpur have

1. Shaheed Pramod B.ed college

https://university.careers360.com/colleges/list-of-bed-degree-colleges-in-bihar

Above link will help you to find out best college nears you.

All the best .