Class 12-arts

It depends on your field of interest, if you want to pursue your graduation in humanities then you can go for BA, (entrance exams of different university like BHU). If you want to make a career in law then go for CLAT.

Hi,
You can do your graduation through correspondence mode.

Hi,
You can opt for the following courses after completing 12th with arts stream:
BA Hons
Hotel management
Mass communication, Journalism, Media studies
Fashion Designing
Law

Hi,
You need to begin by completing a Bachelor's degree in psychology. You may look for BA in Psychology courses. You need to however check the eligibility of different colleges before applying.
For further career growth you can consider taking a Masters-PhD in the same and also by focusing on your desired area of specialization such as clinical psychology, community psychology, academics psychology, etc.

BCA Course: Eligibility
Candidates who wish to pursue BCA course must fulfill the below mentioned eligibility criteria.
Pass in 10+2 examination in any stream from a recognized board of education.
English as a subject of study.
A minimum aggregate score of 50% at 10+2 level.
*Some colleges prefer students from Science stream or those who have studied Mathematics and Computer Science at 10+2 level.
For fee structure, you need to specify the college/university name for exact information.

You can get into any of the colleges mentioned below:
https://www.shiksha.com/arts-fine-visual-performing/photography/articles/top-10-colleges-for-photography-courses-in-india-blogId-11445

Go for BA if you urgently need a job. Go for a short-term certificate/Diploma courses according to your passion and interest.

Yes, you can. Go for it.

BA - Bachelor's of Arts
BBA - Bachelor's of Business Administration
BHM - Bachelor's of Hotel Management
BTA - Bachelor of Tourism Administration.
I have highlighted some courses. There are many more courses.

For any officer's level you should be a graduate and apply through SSC CGL exam.