Hi Kalpa serashiya,
Sorry for the inconvenience caused.
We have analyzed the scenario and we are able to reproduce the issue reported. So, we have logged an issue report on this “Exception occurred when using same start and end dates while redrawing the chart”
. Fix for this issue will be included in our upcoming 2015 Volume 1 Service Pack1 which is expect to be out on end of April 2015.
Please let us know if you have any concern.