The Government of India decided to divide all districts across the country into how many categories considering number of COVID-19 cases?

The Government of India decided to divide all districts across the country into hotspots, non-hotspots and green zones. The announcement was made by Lav Agarwal, joint secretary of the Health Ministry.As of 15 April, the Ministry has identified 170 hotspot districts, 207 non-hotspot districts reporting cases and 359 green zone districts not reporting any cases across the country.