Red To Green In 21 Days, Not 28: COVID-19 Hotspot Classification Tweaked

In a major change to criteria governing coronavirus hotspot classification, the government will now label a district "green", or virus-free, if no new cases are reported in a 21-day period

source https://www.ndtv.com/india-news/coronavirus-hotspots-red-to-green-in-21-days-not-28-covid-19-hotspot-classification-tweaked-2221482