NEW DELHI/GADOJ, India -- Sharmila, a 40-year-old mother of four, waited most of her life to achieve her dream of having a toilet inside her house. Until a little over a year ago, she and her two daughters, who live in the village of Gadoj in India's northwest, had no option but to take a lengthy walk to a field to answer nature's call. These trips often were made either before sunrise or after sunset in order to have a modicum of privacy.

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