@vinay4422,
To achieve your requirement, you can pass the toolTipContent property of the dummy data point as null
.
Kindly refer to this JSFiddle for an example on the same.
If the solution suggested doesn’t fulfill your requirement, kindly brief us further about your use case so that we can understand your scenario better and help you out with an appropriate solution.
—
Adithya Menon
Team CanvasJS