The sero-survey conducted by the Indian Council of Medical Research (ICMR) has showed history of COVID-19 infection in 0.73 percent of the population surveyed in 83 districts across the country.
ICMR also cautioned that a large proportion of the population is still susceptible to the infection and as compared to rural areas, the risk is 1.09 times higher in urban areas and 1.89 times higher in urban slums.
This survey puts more light on Dharavi, which is located in India's commercial capital Mumbai, is spread over an area of 2.5 square kilometres and has a population of 650,000. People live in shanties and dilapidated buildings with narrow lanes and open sewers.
The first COVID-19 patient in Dharavi was found on April 1, nearly three weeks after Mumbai recorded its maiden positive case on March 11. In the following days, Dharavi saw some spike in COVID-19 cases in the area.
Once a COVID-19 hotspot in the city, Dharavi managed to limit the spread. CNBC-TV18's Archana Shukla tells you how Dharavi contained the COVID-19 spread and speaks to the man leading the fight against the pandemic.