You can do that using Annotations.
1. Hide the labels from your current map
2. select the data points on the map(just drag around the map using -> rectangular select in the map options)
3. Right Click and select Annotate -> Mark
4. you can choose what you want to show in the annotation box
You can then edit the color, font, shading of the annotation box by formatting it.
Hope this helps,
Thank you Soham! it works perfectly!!!