@Prasanth_T_K for support related requests with RHLS/exams please leverage the Red Hat Customer Portal at access.redhat.com, that is the best tool for receiving support.
Here is an article on how you can schedule your exam through the Red Hat Learning Subscription: https://access.redhat.com/discussions/3426871
Please be sure to use our learning community when navigating courses, preparing for exams, learning how to use Red Hat Products our using Red Hat technologies on the job. We have dozens of subject matter experts, ready to weigh in!
@Prasanth_T_K Through RHLS, you are able to enroll in an exam. Do this by locating your exam either by searching the catalog, or locating your exam in the Learning Paths.
Once located in the Catalog, simply View the exam details, and you'll see actions to "Enroll".
You can then schedule that enrollment through our Exam Scheduler here.