Hi @Augu J N
You should be able to find the information in the issue history. You should be able to parse these using scriptrunner with a script or fetch the information using the rest api.
https://docs.atlassian.com/software/jira/docs/api/REST/9.11.0/#api/2/issue-getIssue
https://library.adaptavist.com/entity/show-assignee-history
Regards
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