B.Ed

Universities and colleges generally award Masters of Arts in fields like Languages, History, Geography, Philosophy, Fine Arts, but also Social Sciences, where they overlap with Masters of Science. This means that one subject can be offered either as an M.A. or an M.Sc.

Yes, you are eligible for M.Sc Psychology after completing B.A Psychology. Since, you have completed a bachelor degree with Psychology specialization, you are eligible for M.Sc psychology course.

No, eligibility criteria for most B.Ed courses are the same for regular as well as distance education courses. It generally depends on the University. Candidates must check if they meet all the requirements before applying. To check, they can consult the admission notification or the course advertisement.

To apply for CTET exam, you need to be a B.Ed degree holder or other teaching related courses.

No, Diploma in teaching is not equivalent to B.Ed degree.
It is similar to it.