Hello Siva,
Please try to set our Expression Dark theme to your RadChart and let me know whether this look fits your scenario.
If not, you need to customize the X and Y axes of your RadChart through the exposed
AxisXStyle and
AxisYStyle:
where you need to set a custom style to the
RadSlider element.
I hope this helps.
Greetings,
Sia
the Telerik team
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