Accidentally and employee deleted a very important file, how to recover from Zoho docs

Accidentally and employee deleted a very important file, how to recover from Zoho docs

So one of my employees deleted a file form zoho docs, I got an email from zoho and I immediately sent a recovery request email to abuse@zoho.com I have not received a reply. please help recover file.

I also do not understand why the file did not appear in employees' or my trash can.