Hello, Manoj,
Note that by default the group panel will show the specified text only when no grouping is available. Once you group the grid, the text is hidden. I suppose that you set the GridViewElement.GroupPanelElement.
Text property in the form's constructor. If you set it in the Load event, the desired text will be displayed. As to the font, it is necessary to set just the GroupPanelElement.
Font property:
I hope this information helps. If you have any additional questions, please let me know.
Regards,
Dess
Progress Telerik