Hi Chitra,
Thanks for getting in touch with us.
No, you do not need that plugin because Schema is built into Rank Math.
You can read this guide on how to setup Schema on your website with Rank Math:
https://rankmath.com/kb/rich-snippets/
Hope that helps and please do not hesitate to let us know if you need our assistance with anything else.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
