CBSE 12th

Hello,
BBA is general management studies and MBA is an enhancement of the knowledge. To pursue the career as a manager, BBA+MBA is the best option.
B.Tech is a technical field and students interested in the technical knowledge opt for B.Tech. Students after completing B.Tech work as the technical assistant and to move higher in the organisation they need managerial skills and hence opt for MBA. For B.Tech graduates, MBA opens more options as they have technical knowledge along with some managerial skills, hence benefiting them to understand the business in the better way.

None of colleges are offering such a course in Bachelor level. For engineering and architecture you should have physics, chemistry and mathematics in your class 12th, however you can try for diploma course where minimum qualification is class 10th.

Following are some paramedical courses you can pursue after completing class 12th, DMLT, Physiotherapy, Speech therapy, optometry and nursing

After 12th, first you need to do MBBS, then you can go for MD with specialisation in different branches of medicine, or you can select another stream like BHMS, BAMS, BUMS, ND, etc. but as your question is of the good scope, opt for MD Radiology, Gynaecology, Medicine etc.

Hi,
Mechatronics is a combination of mechanical and electronics. Therefore, you pursue B.Tech mechanical/electronics in India and then do your Masters from Germany, USA or any other country of your choice. Universities like Manipal, SRM, IIT Kanpur offer this course.

Hi,
You can pursue MBBS and later MD psychiatry to become a psychiatrist, B.Sc psychology to be a psychologist. Other options are physiotherapy, occupational therapy, B.Sc botany, zoology, biochemistry, bio medical etc.

Hi,
You can register yourself in NIOS at NIOS.ac.in for online examination and complete grade 12 or enrol yourself in CBSE patrachar. Both are accepted for any higher education in India or abroad.

If you are talking of financial stability, then it isn't necessary to do any particular course, you can go for government sector jobs.

Listen to your parents. What they want from you. You can do graduation in any subject to be a teacher. Crack joint entrance to be a doctor, engineer or do a management degree from various streams.