Psychology

Important tips and tricks for preparation:
Know the updated syllabus, marking, paper pattern etc. Start with the books of class 11th and 12th NCERT, this will help you with basic concepts and understanding. A reference book called "Intro. To psychology" by Robert Baron is a must. It covers basics as well covers all aspects of psychology. Some of the topics which are covered in Psychology entrance exam are:
-History of Psychology
-Humanistic Psychology
-Child Psychology
-Social Psychology
-Individual Psychology
You can check the previous year papers for psychology entrance and according get the idea of questions expected. You can also give tests to analyse your preparation. Regards.

The scope and a good career choice solely depends on the person who is into this field professionally. It is an individualistic choice and opinion. The only answer to your question is that due to the widespread alertness in the society, people are aware of this field, but mind you people or rather a society is still sceptical about visiting doctors for mental health-related issues. The better established you are and more people are aware of your services, the more they would be likely to visit you. Please note, not only the college degree but also other certificates is the need of the hour. A counsellor needs to be a comprehensive package. The other point here is that psychology and counselling are the same. The degree you get is "psychology", and the therapies you use while working are called "counselling". As such due to awareness, school counselling is booming. Never the less, organizations too these days are opting for counsellors in terms of employee recruitment and handling grievances, etc. But to function as a counsellor, after Graduation, you need to pursue a Master's degree.