- Mumbai began as seven small islands inhabited by Koli fishermen. It was known as Bombay under Portuguese and British rule.
- The city grew through trading and industrialization under the British. It became the capital of Maharashtra after independence.
- Nearly half of Mumbai's population now lives in slums, lacking proper sanitation and other amenities. Dharavi is one of the largest slum areas in the world.
- Epidemics frequently impact slum communities due to poor living conditions. The government has plans to redevelop slums and provide affordable housing.
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