1) student passed from NIOS board can appear in any Medical entrance examination, engineering entrance examination and even in NDA Entrance exam. No University/Institution in India can question the authenticity of NIOS board
2) NIO.S Passed students can seek admission in all india as well as state Medical, Engineering and other various competetive exams like IIT-JEE, AIEEE, PMT (NEET) CLAT and also other professional and acedemic courses in all universities, technical institutes across the country and abroad. They can also seek the government jobs whether central / state government.