Hi Gourav,
Thank you for the update.
On further investigation, we found that the issue "Memory Usage keeps increasing while refreshing the chart with new data’s" is not a bug. It is normal behavior of garbage collector. Garbage collector uses some "lazy" methods of free memory.
Please refer the below article to get more details regarding Garbage Collection:
http://msdn2.microsoft.com/en-us/library/0xy59wtx.aspxKindly let me know if you have any other questions.
Thanks,
Melba