Delhi Deputy Chief Minister Manish Sisodia tweeted on Friday: "Delhi now has 30 containment zones under operation SHIELD."
The decision was taken by the Arvind Kejriwal-led Delhi government after 183 new Covid-19 cases surfaced in the city in 24 hours on Friday, taking the total number of infections in the city to 903.
Delhi also reported two deaths in the past 24 hours, taking the total Covid-19-related death toll in the national capital to 14. According to the Delhi health department, among the 903 cases, 584 cases are related to the Nizamuddin Markaz alone, adding 154 new cases in the past 24 hours.
"Among the 183 new cases, 20 had travel history or contact history," the health bulletin said.
The Delhi government had on Wednesday sealed 20 coronavirus hotspots across the city and all movements in these areas had been completely barred. Speaking to the media, Deputy Chief Minister Manish Sisodia had said the decision was taken to prevent the spread of the dreaded virus.