If "3rd Party Vendor Hosted" equals "Yes"
Then Vendor Contact Info should be visible
If "3rd Party Vendor Hosted" equals "NO or NA"
Then Vendor Contact Info should not be visible
Hello @sreenivasulu gundagula
Welcome to the Atlassian community.
Conditional display of fields based on other fields is not something that can be managed with Automation Rules.
For that you need a third party app. One app that might help you, depending on other factors of your scenario, is Behaviours for ScriptRunner.
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