CBSE 12th

Yes, you can apply, even NIOS board certificate is eligible for further education in any of the universities or you can also apply for government jobs. You need to check the admission cutoff for particular programme which you want to pursue.

Yes, you can pursue BBA after completing 12th PCM.

It will be good if you select your carrier with your interest. Try to find where is your interest and then go for it.

It's not necessary as generally, you get admission on the basis of your HSC marks and in some cases, you need to appear for an entrance. If you are good with your HSC concept, you will make it even without a coaching.

You could go for MBA in tourism which might involve some what travelling as well later.

You may go for Mass communication and other media based courses including diplomas.

It is undoubtedly one of the new emerging courses. You have a very bright future in journalism, events and cinematography.
IIMC, Jamia Milia are one of the few good colleges.

Hi,
Do not feel lost. First of all, identify your area of interest and evaluate your strengths. So, now you will know what you want to do further. If you feel, you do not have an interest in regular academics then look for some technical fields and go ahead. You can also appear for civil services exam but need to have a graduate degree. You can appear for NDA after completing class 12th.
Do not waste your years. Think and decide fast.
All the best.

You can do B.Com or BBA. You can also pursue LLB or BA. You can start your CA journey after class 12th. It all depends on you and your aspirations, so that you can study relevant things that will help you achieve your goals.