Hi @MadhuMuppavarapu-8755
Firstly, please make sure you have configured RMS correctly. You could check your process as the following article:
http://sp-vinod.blogspot.com/2013/08/configuring-information-rights.html
What's more, you could refer to this post where you could find this similar issue:
https://social.technet.microsoft.com/Forums/en-US/2ddc4001-2cbd-41cb-92ac-3be870052c3f/ad-rms-standalone-installation-for-sharepoint-2013?forum=rms
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