LNMU - Lalit Narayan Mithila University

Kindly check the official college's website for the exact details.

You will need to contact the college website for the information. Also, you can do internet research for the same. I am sure this will help you.

You can get to know the syllabus once you join the college.

To give you an idea, the subject which are taught are Industrial Organization and Management, Business Mathematics, Monetary theories and Institutions, Business Economics, Specialized Accounts etc.
The detailed syllabus will be provided to you when you join the college.

You probably can. As eligibility criteria is decided by the university itself and it can be different for different colleges. So, check with the college for this.

As far as the subject combination is concerned, you can choose sociology and/or political science along with psychology.

Sorry, but for masters in computer applications,
you are not eligible in premier colleges. If you want to pursue bachelor's, then it's okay.