Hi Saurabh,
We can disable the Hover using “AllowHover” property. It has been included with 6.4.0.15.
this.GridGroupingControl1.TableOptions.AllowHover = false;
Please refer the sample from the below link, which illustrates this:
https://www.syncfusion.com/support/user/uploads/Sample_9a2ca8f4.zipPlease refer the below link for the olive stylesheet:
https://www.syncfusion.com/support/user/uploads/olive_588da62f.zipPlease try this and let me know if this helps you out.
Regards,
Raji