Dear Student ,

NIOS (National Institute of Open Schooling) is a recognized board as recognized as CBSE and ICSE or any State education board . You can be a pilot with the subjects physics and maths in your 12th qualifying exam as these two subjects is very much important to pursue any career regarding flying .

Well, there is some age criteria to get license in different level in pilot training.

To know more about this , refer to this link:

https://www.careers360.com/courses/pilot-training-course

Hope this helps !