Can an NRI continue investing in an existing PPF account?

Remember, any person who is a non-resident Indian cannot open a PPF account. NRI status disqualifies an individual from opening, operating and managing such accounts.

from Wealth-Economic Times https://economictimes.indiatimes.com/wealth/invest/can-an-nri-continue-investing-in-an-existing-ppf-account/articleshow/84166748.cms