Two back-to-back lockdown extension of 46 days have failed to contain the spread of novel Coronavirus in eight municipal corporations of the Mumbai Metropolitan Region, where cases and deaths due to COVID-19 have more than doubled within 15 days.

When the lockdown was extended once again on July 2, the doubling rate of Thane, Kalyan-Dombivli, Navi Mumbai, Ulhasnagar, Bhiwandi-Nizampur, Mira-Bhayandar, Palghar and Vasai-Virar, combined, was at 15 days and that remained the same even two weeks later. Whereas the city's doubling rate was 45 days on July 2 and has improved to 56 days now.