Whistling Can Be Used To Improve Sanitation? Yes! These Village Women Show You How. Rakhi Ghosh November 19, 2014 Activism, Orissa, Sanitation, Women These women from Self Help Groups in Orissa have solved the problem of open defecation in a very interesting way. They not only started patrolling the streets but also planted the holy "Tulsi" plant to stop people from defecating in the open. Meet the amazing whistle blowers and their story of making their block completely "swachh".