What are the three problems of slums in India?

Slums have the following problems:

• It lacks basic hygiene facilities and prone to unsanitary living conditions
• Constant migration increases the population of slums further increases hygiene problem
• Lack of basic needs and overcrowding

For more relevant articles refer to the links given below:

• UPSC Environment and Ecology Questions
• International Union for Conservation of Nature (IUCN)
• UPSC Environment and Ecology