There are set of on-line exercises (Rx by aurbindo ashram) , to improve eye sight. does any one has info?

Answer 1

it doesnt work. its been deemed by most educated physicians as "quakery":

http://www.quackwatch.com/11Ind/bates.html

Answer 2

If you are trying to reverse your need for glasses, no exercises have been shown to be effective for this.

If you want to try, and the exercises are free, likely no harm done. But do not pay anyone any money for them; you will be wasting your money.