Commerce

Ethical hacking is a big branch of computer science, it's not that easy to pursue it. To opt for it you need to have basic computer hardware and software knowledge, also, some programming languages must be known. So, if you are interested in hacking rather than commerce, I suggest you to choose computer science as your stream.

You can prepare for SSC exam.

After class 12th, you need to complete your Bachelor's degree and after completing your Bachelor's degree, you need to give MBA entrance exam and that you can take admission for MBA.

After perusing B.Com, you can go in whichever field you want for your job. But, as you are pursuing B.Com, so banking area is good for you or after graduation you can select any job according to you interest and talent.

After 12th commerce, you can take admission for BBA with special subject marketing. That is the only best option for you to take admission for BBA or BBM in marketing.

You can join any time for doing Tally+GST. Visit your nearest computer academy.

You have good job experience so you can go for executive MBA which will help you for your skills and help you for your work and promotion.

If you have completed your graduation, there is no chance to improve. And yes, percentage doesn't define your knowledge. So, please focus on your further studies and try to improve your skills and knowledge, it will really help you out the best of your career.