MUMBAI, July 28 -- As the city is reporting a drop in the number of cases, the data from the Brihanmumbai Municipal Corporation (BMC) shows there are only three containment zones in the city at Kandivli, Chembur and Bhandup. Moreover, 60 buildings and 1,730 floors are completely sealed in the city.

A containment zone covers areas of slums and chawls.

As of July 25, in the three active containment zones in the city, there is a population of 25,000, 19,000 in the 60 sealed buildings in the city and 218,000 in over 1,700 sealed floors.

This is the lowest number of containment zones and sealed buildings in a long time in the city, said civic officials.

During the peak of the second wave in the city in the second week of April 2021, when aro...