Can i register for ZCO/ZIO if I am repeating Class 12 or if I am a private student?

Can i register for ZCO/ZIO if I am repeating Class 12 or if I am a private student?

The eligibility criteria is that you should be under the age limit (check IOI site) and haven’t joined any undergraduate program yet.

No if you are a repeater u cant .But if you are home schooled you can.

For any futher query plz comment and let me know.

Homeschooled? As in if I register for NIOS?

Make sure ur fit in Age criteria Thats it.
Ur school doesn’t matter

Ioi eligibility != Zio/zco eligibility. For ex, students taking gap year or repeating 12th are allowed for ioi but not zio/zco. 3-4 of my friend were planning to do this but madhavan sir didn’t allow

so should i register for NIOS board if I really want to participate?

Can you tell me how to contact Madhavan Sir?