Hi Madhusudhan,
I apologize for the delay in responding.
Attached is a sample link which will help you to display a DropDownList in the GridGrouping control.
http://www.syncfusion.com/Support/user/uploads/Grid_e1f32869.zipSimillarly you can use 'ItemTemplate' to display the controls needed by you.
To Display image you can use the below code snippet,
Please let us know if you have any further queries.
Regards,
Valli