CBSE 10th

In which exam did you get 99.49%? MAT? If so I am sure you have got above 600 composite score .So you are eligible to apply.

Yes, you are eligible to apply. Last date to apply is 22nd January.

After 10th you can go for commerce if you want to work in finance or business administration. You can opt for commerce in 11th and 12th and then go for either B.Com or BBA or simple BA in the stream of your like.
Science stream has more options than other streams. You can go for engineering, B.Sc. in Physics, chemistry, biology, pharmacy, agriculture, biotech or microbiology. You can also go in medical field and pursue MBBS/BDS/ Other medical streams. Engineering is most common and most favorable of all. If you have interest in science then go for PCM with computer science or biology.

You must complete your 12th first and be academically very strong. Medical students face a lot of competition. Try to score above 70% for securing admissions.

To know more about CPL training course, kindly visit the link mentioned below:
https://www.shiksha.com/career-in-commercial-flying-all-you-need-to-know-article-13472-1

To get the information about the commercial pilot training course, kindly visit the link mentioned below:
https://www.shiksha.com/career-in-commercial-flying-all-you-need-to-know-article-13472-1

To get the information about the commercial pilot training course, kindly visit the link mentioned below:
https://www.shiksha.com/career-in-commercial-flying-all-you-need-to-know-article-13472-1

It depends on the school. Different schools have different criteria depend on the number of students and infrastructure available.