Explained: What is National Population Register. And is it linked to NRC?

Even as the opposition is up in arms against the Citizenship Amendment Act, the Modi government has now announced the updation of the National Population Register (NPR). Some opposition parties have claimed that the NPR is a precursor to the NRC and have refused to comply with the NPR process. So what is the NPR and is it at all linked to the NRC? Watch this video to find out.