Hi, Jaison.
Thank you for contacting the Microsoft community.
As we understand from your post, you have passed Exam MS-101: Microsoft 365 Mobility and Security, but the corresponding Certification is missing from your Dashboard. We are happy to help!
Please note that Exam MS-101: Microsoft 365 Mobility and Security does not grant a Certificate by itself, as it is only one of the two Exams that are required to earn the Microsoft 365 Certified: Enterprise Administrator Expert Certification.
The Exams required to earn the Microsoft 365 Certified: Enterprise Administrator Expert Certificate are:
Please bear in mind that, aside from passing both Exams mentioned above, you must also obtain one of the following Certifications as a prerequisite:
You can see the requirements to earn a Certification by visiting its respective Certification page and scrolling down to where it says, "Certification details" as shown in the image below.

Keep in mind that only one of the Certifications mentioned above is required, so you can choose the one that matches your profile the most. The Certification will be available on your Dashboard within the next 48 hours after all requirements are met.
We hope that you find this information to be of help. If so, please let us know by choosing "Yes" where it says, "Did this solve your problem?" located at the bottom right corner of this post.
If we do not receive a response, the case will be closed and locked after one business day.
Best regards,