Diploma

You need to be HSC pass to get a Diploma in dance. So, clear your HSC. Or else you can take normal classes for dance. But complete your education first.
Regards
Lalit Kumar.

Cyber security is more related to technologies that processes and practices ways to protect networks, computers, programs and data from being illegally attacked, damaged or accessed without permission. So you need to have knowledge technical knowledge. The courses offered are B.Tech cyber security.

Nowadays, everybody wants to go in the field related to computer Science or Computer/Dogital Technology field. In this field what your learn does't matter, you have to implement what you learn and more you have practical knowledge your scope will GET wider and wider. So it is really good if you have

Rather than choosing the value for the amount of money. Choose the experience you gain during your work. In early period that is the only thing that matters.

Yes why not but you need to google it properly before you apply hope you got your answer.
For applying U can go for Gmat or there are many other entrance exams you can opt for.

Yes, you have to clear exam for that.

Yes, you can apply in Photography diploma.