Humanities & Social Sciences

Yes, IGNOU offers MA in psychology and eligibility is a Bachelor's degree in any field. For more information please search this link:- http://www.ignou.ac.in/ignou/aboutignou/school/soss/programmes/detail/405/2 Good luck.

There are many central universities in which you can apply. Some of them are DU, Northern Eastern Hill University, Assam University, University of Allahabad, Rajiv Gandhi University and many more.

It can be possible.
If you are interested in pursuing MSW, you can apply for this after completing B.Sc.

Yes you can pursue BA Honors, but as the competition is high you should not change your stream just have back plan kn which you can do better. It's better to pursue course in your stream itself. It's upto you.

Health Psychologists apply psychological research and methods to the prevention and management of disease, the promotion and maintenance of health, the identification of psychological factors that contribute to physical illness, the improvement of the health care system, and the formulation of health policy.