Class 12-science

Bachelor's Degree in Commerce / Finance from a recognized University or an equivalent Degree with minimum 50% in Graduation. For ACCA eligibility you should possess Post Graduates like M.Com, MBA are also eligible for the ACCA exam. In Mature Entry Route, the candidate must be 21 years of age.

There is no conditions in appearing for the exam but you must prepare well through references and crash course offered by different institutions.

Entrepreneurship is business. For becoming an entrepreneur, you need to know how to do business and sell your product. Both are related to each other and can't be compared. Entrepreneurship is the process of designing, launching and running a new business, which is more often than not, initially a small business, offering a product, process or service for sale or hire. The people who create these businesses are called Entrepreneurs.

Changes are coming too fast for you to decide on the future of the IT sector right now. You find it difficult to analyse and pass a judgment on chances, basing on a changing scene. I suggest that you should pursue a course now, considering your aptitude only. Your career will always be bright if you take it up seriously.

There are a lot of career options after 12th.
B.Tech.
BCA
B.Sc
Polytechnic and more and more just go through the internet.
Many of your seniors will advise you to choose B.Tech CSE but you should pursue that particular one in which you have passion and interest.
All the best.

After passing class 12th, you are eligible to join Indian Air Force.
You have to appear in NDA Exam to join Indian Air Force.
NDA:- National Defence Academy
This exam is organized by UPSC twice in a year as NDA I & II.
UPSC:- Union Public Service Commission
Eligibility Criteria for Air Force:-
You should be 12th passed from recognized school/board.
You must pass class 12th with Physics, Chemistry & Maths.
Your age should be in between 16.5 to 19 years.
You must have an Indian citizenship.
Only unmarried male candidate can join Air Force through NDA.

BE/B.Tech or equivalent qualification in first class with an aggregate minimum of 65% marks or CGPA 6.84/10 (average of all semesters for which results are available). A minimum of 65% marks or CGPA 6.84 in section B alone for candidates with AMIE/Grad IETE qualification.

There is no particular eligibility criteria for this course as such. You can take up this course if you are :
Sales and Marketing professionals
Entrepreneurs
Students
Digital Marketers
IT Professionals