how to add comment field mandatory for DONE status in the transition in jira server. is there any possibility without using any plugin.
You can't
can you please recommend the plugin to achieve this task.
I use the JIRA suite utilities. It provides several very useful functions Here is a link to make comment required
https://confluence.atlassian.com/jirakb/how-to-configure-comment-field-to-be-required-in-workflow-transition-648381476.html
I have not tried but I believe you can add a Validator to the transition of type field required and chose Comment as the field.
I don't know if Jira Server is different than Cloud in this regard, but I do use a Validator and a transition screen to require the comment field to be filled out:
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