Company Secretaryship

If MBA in aviation is offered by MBA schools, I am not aware of that. But just comparing the above two, MBA in HR has better prospects since in aviation you are constraining yourself to one industry rather than a specific function.

The scope of CS is good in terms of career in corporate industry.

Hello Vikas,
Your question is not clear to us, kindly ask in simple way what you want to say.

Company secretary has good scope but not better than MBA if done from prestigious institution. CS jobs are very less compared to MBA and MBA offers management corporate roles.

Yes, you can. It totally depends on you.