Psychology

Master of Arts or M.A. Psychology is a postgraduate course in psychology which studies human behavior and human psychology. It is concerned with thorough and comprehensive study of psychology as a discipline. Minimum eligibility for this course is a graduation degree from any stream passed from any recognized university.

Cut off of DU is always very high.
You will get admission in almost 3rd or 4th counselling.

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.

Please refer to the link: https://goo.gl/WggezF

Dear,
If you have an interest in psychology then you should pursue Bachelors degree in the same. Degree will help you to go for further education, growth, knowledge, etc.
If you just want to check this field then, you can opt for the short term online certification in the same.
All the best>

Well, you can take up psychology from correspondence but it won't be beneficial because psychology is a subject that demands practical knowledge. In a correspondence course, you will not get that.