The full form of Nios Board is National Institute of Open Schooling.
I have already told you about the term Open Schooling.
Nios Board is a board of education under the Union Government of India.
It Provides a facility to study from home or anywhere you want.
It began with the goal of boosting literacy. The initiative was initiated to promote flexible learning.
The NIOS is a national board that handles exams for Secondary and Senior Secondary examinations similar to the CBSE.