Hello dear...yes you can pursue mentalism or psychology in your Graduation.

Psychology and Mentalism are some what connected.Mentalism is a branch of psychology that study though process and perception. Mentalism is popular around the world, but now much in India. There are very limited institutions which offers course in Mentalism. Job opportunities are also very few. Performer have to practice by his own. On the Other hand , Psychology is a science of human and animal behaviour. There are plenty of brances in psychology such as Clinical psychology, Counseling psychology, Abnormal Psychology, Applied psychology, School psychology, Industrial Psychology, Rehabilitation Psychology, Social Psychology, Developmental psychology, Health Psychology, Occupational Psychology, Music Psychology, Mathmetical Psychology, Political Psychology, Medical Psychology,Forensic Psychology, Cognitive Psychology. You can pursue your job in Schools, Rehabilitation Centers, Counseling Centers,Hospital's, Corporate Organizations, NGO's and can Practice by your own after certain certification ( RCI).

Hope it helps.