Over 10 years, the central government spent Rs 21,482 crore ($3.2 billion) building houses for the urban poor but 23% of them are vacant, according to this May 2016 answer to the Lok Sabha.

The information that 238,448 of 1,032,433 houses built are empty comes at a time when the proportion of Indians living in slums has risen over five years from 17% of the urban population to 19%, according to official data, and 19,000 of 33,000 slums are not acknowledged by the government (2012 data).

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