@Sai prince I would point you to read this article https://www.atlassian.com/blog/jira-software/7-steps-to-a-beautiful-and-useful-agile-dashboard
Keep in mind that the Scrum guide does not state anything about boards etc. This is up to the scrum team and the way it chooses to handle all matters. Now, if you wish to monitor all things on sticky-notes, then be my guest and use them! It is nothing wrong with it, as long as you get the job done.
I would also suggest for you to read this https://support.atlassian.com/jira-software-cloud/docs/track-and-analyze-your-teams-work-with-reports/ as well as this https://support.atlassian.com/jira-software-cloud/docs/what-is-a-jira-dashboard/
Hope that helps.
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