Hi Ketan, 

Yes, M.A Political Science is available at Munger University, Bihar in one of the colleges, namely R.D. and D.J. College. The college is located in Shastri Nagar at Munger. It admits a total of 100 students for this course. You may go through the below mentioned link for further clarity-

https://www.careers360.com/colleges/rd-and-dj-college-munger/ma-political-science-course

All the best!