All Indian Students are eligible to participate in Olympiads. The event is open to the students of Class 1 to 12. Registrations are received from schools in the prescribed pro-forma.
If you are planning to appear in the Olympiad conducted by SOF, you can register from your school. Individual Registration by the student is not available.
You can get all the details of Olympiads from here - http://schools.aglasem.com/talent-search-exams-olympiads