School Of Open Learning — Regarding exams

I really want to know why sol staff don't picks calls? Why the numbera they provided on website don't work?
I have trying to call then so many times but no respond as because the campus is too far from my residence..
I want to know that does sol provides online or offline exam option for students who works in aborad and unable to come to delhi. As per my sources i found that sol gibes form to fill and choose option online exam. Is thus possible or not..plz respond fast i[censored] can it's very important