Question

Give brief infomation about sof nso levels

Answer 1

sorry I don't know.

Answer 2

it is,olympiad of science. it is held for all the class. In first level your exam will be in school and if you get passed in first level you will be going for second level. and then if you also passed second level then you will get certificate and will help in your future for getting job or for taking admission in good college.