Proclamation of Whitehouse
https://www.whitehouse.gov/briefing-room/presidential-actions/2021/04/30/a-proclamation-on-the-suspension-of-entry-as-nonimmigrants-of-certain-additional-persons-who-pose-a-risk-of-transmitting-coronavirus-disease-2019/
Exemptions declared by Secretary of State
https://www.ndtv.com/world-news/us-exempts-categories-of-students-academics-journalists-from-india-travel-ban-2425697
