I received an email from HR to send all of my educational documents, my national address, and resume after an interview. What does this mean? Am I selected or shortlisted?

However, it may be that after document verification and background checks are positive, you may be called for salary negotiation, terms and conditions, and other joining formalities.

It is positive sign taking your selection to the confirmation level.

However, it may be that after document verification and background checks are positive, you may be called for salary negotiation, terms and conditions, and other joining formalities.

So you need not panic and just wait positively for the next call from the HR.

BEST OF LUCK FOR YOUR JOB SEARCH!!