BERLIN (AP) — The top U.N. refugee official has urged India to ensure that no one is left stateless by the exclusion of nearly 2 million people from a citizenship list in Assam state.

Filippo Grandi, the U.N. high commissioner for refugees, voiced his concern in a statement issued Sunday in Geneva. He said that "any process that could leave large numbers of people without a nationality would be an enormous blow to global efforts to eradicate statelessness."

He urged India to ensure no one ends up stateless, "including by ensuring adequate access to information, legal aid, and legal recourse in accordance with the highest standards of due process."

About 31.1 million people were included on the list, according to a statement Saturday from Assam's government, leaving out 1.9 million.