Hi Jogesh,
Thank you for your details.
You can set the active page member to select a certain tab.
this.tabBarSplitterControl1.ActivePage = this.tabBarSplitterControl1.TabBarPages[0];
Please refer the sample in the below link and let us know if this helps.
http://websamples.syncfusion.com/samples/Tools.Windows/F64946/main.htmBest Regards,
Jeba.