BCA

Bachelor of Computer Applications is a 3-year under-graduate degree course in the field of computer applications. Some students use online or distance education programmes to earn this degree. BCA through distance education course has marvelous career options for the students. It is a technical field.

You should clear maths in 12th with 60% and 60% in graduation is required for NITs.

You will achieve programming skills if you study and involve in the course properly, along with that you will get to know about many stuffs raked to computers.

BCA is a good course and has job opportunities in IT sector.

The job of a Pilot/ Co-pilot is very challenging as well as rewarding. There are three licenses, which you have to acquire to become a pilot.
1. Students Pilot License.
2. Private Pilot License.
3. The Hobby License or Commercial Pilot License.

If you want to get a job in law field, then you must pursue BL, and then cyber law.
Master's program in cyber law and information security (MPCLIS) is offered at Indian Institute of Information Technology – Allahabad, which is open for BE, B.Tech, postgraduates, LLB or equivalent.
1. NALSAR University of Law.
2. Jitendra Chauhan College of Law.
3. Asian School of Cyber Laws – Pune.
4. Centre for Distance Education, University of Hyderabad.

Diploma after 12th won't make much sense. In my opinion, you should opt for engineering considering the fact that it has more industry value as compared to BCA and high pay package plus better future career options.

You can go for MCA through distance learning. Many recognised institutions offer this distance learning programme. You can opt for any of that as per your choice.

Tourism and travel industry is booming in India and there will be plenty of opportunities. With your computer knowledge, you will get a promising job after completing the course.