Hi Binoy,
Thank you for your interest in Syncfusion product.
The Essential Test Studio is the add-on for QTP to test the Syncfusion controls.
Please download the corresponding version of the add-on from the following location:
http://www.syncfusion.com/downloads/product/versionhistory.aspxAlso please ensure the guideline in the following KB article:
http://www.syncfusion.com/support/kb/teststudio/Default.aspx?ToDo=view&questId=10Let me know if you have any queries.
Regards,
Nirmal