The poor toilet changed the image of the sanitation campaign, where did the idea come from, how did it get recognition in the world? Know everything

The poor toilet changed the image of the sanitation campaign, where did the idea come from, how did it get recognition in the world?  Know everything
Image Source: File Bandeshwar Pathak, Founder, Solabh International New Delhi When you want to change the world, understand that you ...
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