India, April 16 -- Slums now occupy nearly 24% of Mumbai's land and house more than half of its population, according to findings by the Slum Rehabilitation Authority (SRA).

The survey also found that approximately 58 hectares of collector or government land had been encroached upon over the past 14 years. Officials noted that the total encroached area across land owned by other authorities could be significantly higher, as reported by the Hindustan Times newspaper.

To map the extent of encroachments, the SRA used satellite imagery and GIS, comparing images from 2000 with GIS data from 2011 and 2025.

The data has been shared with the Mumbai city and suburban collectorates. Additionally, the data will also be shared with the Mumbai Civi...