Hello,
You have not mentioned any exam or application for which you have applied. It is difficult to help you with such little information. Nevertheless, we would suggest you to please check your registered email and phone number as the registration details and application number will be shared to you through an email or SMS. This might help you. If you still couldn't find it then please tell us the exam you are asking about so that we have help you accordingly.
Hey there
Please mention the exam name as you have not mentioned any exam name. but in general you must have got Email check the email or try by you registered mobile number.
Good luck
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