Slum overcrowding in Mumbai
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Inconvenient truth: India's public sanitation challenge

Lack of access to toilets is a critical problem across India, creating public health issues including the spread of disease.

In urban areas, slum overcrowding and a limited number of public toilets pile pressure on administrators, while rural attitudes to inside toilets are a hurdle in the countryside.

India's new government has promised to address the situation, including through a number of measures in its budget.

The BBC's Yogita Limaye investigates why the problem is hard to solve.

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