Hey Student,

The National Institute of Open Schooling (NIOS), formerly National Open School, is the board of education under the Union Government of India.The NIOS is a national board that administers examinations for Secondary and Senior Secondary examinations similar to the CBSE and the CISCE.

And yes you can give yours physics and maths exam and improve your grades to become a pilot.

All the best student,

Hope this helps you.