Mumbai, Delhi, Bengaluru, Chennai among 130 Red Zones designated by Centre

Health workers on the premises of LNJP Hospital in New Delhi. Photo: PTI

In the wake of the coronavirus pandemic, the Health Ministry has classified districts across all states and Union Territories as Red, Orange and Green zones with 130, 284 and 319 such zones respectively across the country, as on April 30.

All four major metropolitans - Delhi, Kolkata, Chennai and Mumbai - have been classified as red zones. The other major cities which are under the red zone are - Bengaluru Urban, Bengaluru Rural, Lucknow, Hyderabad, Indore, Bhopal, Patna, Ahmedabad, Surat, Pune and Nagpur among others.

Union Health Secretary Preeti Sudan has written to Chief Secretaries of all States and UTs delineating the above classification.

According to the data shared by the ministry, Uttar Pradesh has the maximum 19 red zones followed by Maharashtra which has 14 red zones. Tamil Nadu comes next with 12 red zones followed by Delhi which has 11 red zones. West Bengal is in fifth place with 10 red zones.


Uttar Pradesh also has the highest number of orange zones at 36. It is followed by Tamil Nadu with 24 orange zones. Bihar comes in third place with 20 orange zones.

The maximum green zones are in Assam at 30 followed by Arunachal Pradesh and Chhattisgarh with both states having 25 green zones. Madhya Pradesh comes next with 24 green zones.

"The districts were earlier designated as hotspots/red-zones, orange zones and green zones primarily based on the cumulative cases reported and the doubling rate. Since recovery rates have gone up, the districts are now being designated across various zones duly broad-basing the criteria," the Union Health Secretary wrote.

"This classification is multi-factorial and takes into consideration the incidence of cases, doubling rate, the extent of testing, and surveillance feedback to classify the districts. A district will be considered green zone if there are no confirmed cases so far or there is no reported case in the last 21 days in the district," she added.

Clarifying the classification of districts, the Health Secretary said: "For districts having 1 or more municipal corporations, corporations and other areas of districts may be treated as separate units. If 1 or more of these have reported no cases for the last 21 days, they can be considered 1 level lower in zonal classification, if the district is in Red/Orange zone."

"In buffer zones, extensive surveillance for cases through monitoring of ILI/SARI cases in health facilities has to be taken up. States are requested to delineate the containment zones and buffer zones in the identified red and orange zone districts and notify the same," she added.

Dear Reader,

Business Standard has always strived hard to provide up-to-date information and commentary on developments that are of interest to you and have wider political and economic implications for the country and the world. Your encouragement and constant feedback on how to improve our offering have only made our resolve and commitment to these ideals stronger. Even during these difficult times arising out of Covid-19, we continue to remain committed to keeping you informed and updated with credible news, authoritative views and incisive commentary on topical issues of relevance.

We, however, have a request.

As we battle the economic impact of the pandemic, we need your support even more, so that we can continue to offer you more quality content. Our subscription model has seen an encouraging response from many of you, who have subscribed to our online content. More subscription to our online content can only help us achieve the goals of offering you even better and more relevant content. We believe in free, fair and credible journalism. Your support through more subscriptions can help us practise the journalism to which we are committed.

Support quality journalism and subscribe to Business Standard.

Digital Editor

Business Standard is now on Telegram.
For insightful reports and views on business, markets, politics and other issues, subscribe to our official Telegram channel