Humanities & Social Sciences

The eligibility for Master in librarian science (M.Lib Sc) is that the Candidate Should Have Passed Graduation in Bachelor in Librarian science (B Lib Sc) / Bachelor in Library and information science (BLIS).

You will not get a degree, you will only get the mark sheet & provisional, in which it will be stated that you have to reappear for two exams.

There are lots of courses to select after 12th from Arts such as:
BBA
BA with Economic
If you want to be a teacher, then:
-BA in English
-BA in Hindi
-BA in History
-BA in Sanskrit
-Or any relevant language.
Then, you can go for Journalism and mass communication.
-Fine Arts
-Performing Arts
-Designing
-Psychology

The NAAC A+ graded colleges are: https://goo.gl/mPTbcV

For a B.A. in Psychology you must have Psychology as a paper in your plus two. Some colleges also ask for maths and statistics, however it is not mandatory. Since there is a paper of 'statistics' in psychology, an elementary knowledge about maths and stats is needed.
Also most of the colleges in some universities like Calcutta university and some universities in South India offer a B.Sc in psychology. However to get a B.Sc degree you must have science in your Plus two subjects and psychology which can be elective.

Generally, an economist would belong to either commerce or arts stream.

Please refer to the link:https://goo.gl/9TkTsR