affair from Pooja's side and not Yash?

The relation was shown from the views of Ashish and Poojas diary. Now in the diary the name was not mentioned, but I would safely assume it was about Yash..

So, could it be that Pooja found her love in Yash and it was one sided? May be she tried to tell that to Yash in mussourie and during their conversation they had met with an accident?

Now, it could be that someone else was responsible for the accident..

But talking about the relation ,it was really a one sided feeling from Pooja's side?

Of course it leaves the question of the ring, answered..

Also, may be Arjun after reading the diary does not wish to see the hurt that Aditya would definitely go through and hence tries to hide the diary.. This could create a misunderstanding?