India lack of toilets 'huge problem'

India's new government promised it would build more than five million new toilets within its first 100 days in office - the equivalent of constructing roughly one toilet every second.

According to the World Health Organization, more than 600 million people in India do not have access to adequate sanitation.

Yogita Limaye found out why it is a critical problem and why it is one that is proving hard to solve.