Hi MansoorShahzad,
I go through the post carefully, based on the description, I think you would like to merge Microsoft Certification identification number (MCID) in to accounts. Based on my test, information in the thread may help you on the question: Two MCIDS - One account - Training, Certification, and Program Support (microsoft.com)
However, as the category here is on Learning Tools, I would suggest you post in Microsoft Certification Forum in Microsoft Learning Community which is a specialized channel for Microsoft certification related questions, members and engineers there are more professional on such questions and you may get better experience there. Appreciate your understanding!
Best Regards,
Clark