How Can to calculate Average Time Spent on Tickets

Hi @Monika Rani,

That request needs you to aggregate a lot of data and then calculating averages on them. I would definitely recommend you to look at a BI reporting solution. You may have one available in your company, but if you don't, you might want to look at EazyBI for this:

I built the above on report quickly, using resolution as a means to detect closed issues.

Hope this helps!