Hello @Siva P.,
As Babar mentioned, this is not possible. But with the following thresholds should be enough to meet your needs.
Keep in mind the different options that you have to set thresholds:
Upper Severe : >=
Upper Warning : >
Lower Warning : <
Lower Severe: <=
If you set this values in a metric, you will be able to chart those thresholds and see them as a yellow/red shadow together with your metric, or as a yellow/red traffic light (if the traffic light chart is selected).
Please let us know what is your use case so we can help you to find the best approach.