Hello @Krishna M S
From the docs
We recommend exporting your Redmine data to CSV to import it to Jira.
If you want to migrate more data which mightnot be supported by CSV. Then setup a evaluation Jira server version and import your data from Redmine to Jira server and then take the backup of the Jira server and then restore on cloud. It's more work but it should give you more flexibility in terms of data.
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