Below is the correct answer.   Happy to learn if there any other way to create the segment which gives the same results.First you create this segmentVisit Level Segment : Visits exists and time duration you require (in this case it is from July to Dec'22) calling this as 1st segment  You put this in...

The problem with this is that when you use custom date range, it will overwrite the time period of the panel. So in this case, even though I would be able to get correct visits, I won't be able to get units of January'23. You can create the segment once at your end and have a quick check as well  

Ah   I hope this gets resolved for metrics which are not additive. Although, thanks for the suggestions Jennifer!

This works!   This method works like a charm for metrics which are additive in nature eg. Orders, no. of page views. Although for Unique Visitors(UV) it gives different values than what I wanted.   Eg. Data at a Daily Level Aug 1 has 10 UVs Aug 2 has 10 UVs   Now for Aug 1 to Aug 2 :UV count will be...