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CN4.1%20India.htm ). A good option to guarantee quality and back-up support, is to use a franchise concept. Sulab International has developed 4000 "pay and use" community toilets serving more than 11 million people daily (http://web.mit.edu/urbanupgrading/waterandsanitation/resources/caseExamples/sanitation-services.html ). Pay-and-use public toilets for crowded areas and slums, without space or funds for latrine construction. Also for transient populations such as bus stops. Managed by local government, NGOs or entrepreneurs. This includes women groups jointly developing sanitation facilities. High potential particularly in densely populated slums