Hi Nagendra,
Thanks for contacting Syncfusion support.
Based on your query we suspect that the you are facing an issue while exporting Grid with aggregate columns in Excel. So, we have prepared a sample and tried to reproduce the issue but we unable to reproduce the mentioned issue at our end.
Please check below sample for your reference,
1) If possible please replicate the issue in the attached sample or provide us a simple sample to replicate the problem.
2) Share your complete Grid rendering code.
3) Syncfusion package version.
Let us know if you have any concerns.
Regards,
Shalini M.