Hi Manoj,
Another issue that makes this issue not related to the zoom level, is that the chart legend was displayed in two lines. You can check that accessing the links I’ve posted in the second message. In the current application version, the legend is displayed in one line (I’ve set a property on the chart to make it that way), but it’s being displayed in two lines, as the previous version. Don’t you think it has something to do with cache?