Hi @Abhishek Rai ,
I suggest you reach through the Microsoft exam rescheduling and cancellation policy over here:
Exam reschedule and cancellation policy
Also note that Microsoft Certification / Exams is currently not supported in the Q&A forums, the supported products are listed over here https://learn.microsoft.com/en-us/answers/products (more to be added later on).
You can ask the experts in the dedicated Microsoft Certification - Exams - Exam Registration and Scheduling forum over here:
If you have scheduled an exam with PearsonVue, you can contact their support over here:
(If the reply was helpful please don't forget to upvote or accept as answer, thank you)