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"Everyone saw my picture, I was so embarrassed": With more than half a billion Indians defecating in the open, to tackle the problem Nadia District outside Calcutta has resorted to using a "Wall of Shame", posting pictures and names of the "offenders". It has prompted mixed reactions, but has proved effective - the district is the first in India to be declared free of open defecation. (Photo: Prime Minister Narendra Modi has made abolishing open defecation a top priority of his government. Credit: Â鶹Éç)