Ghanti Bajao Full: What is Super-Brain Yoga?

Super-Brain Yoga, this is what the weird Yoga experiment is called. In this, you have to sit while holding your ears and hold the position. This is done several times in order to have better functioning brain.
In Haryana's Bhiwani, Haryana Education Board has taken a new step. 
But then why does this activity was called as corporal punishment in schools till day? The Yoga instructor explains the reason