<Tr> <Th> Type </Th> <Td> Non-governmental organization </Td> </Tr> <Tr> <Th> Area served </Th> <Td> India </Td> </Tr> <Tr> <Th> Website </Th> <Td> sulabhinternational.org </Td> </Tr> <P> Sulabh International is an India - based social service organization that works to promote human rights, environmental sanitation, non-conventional sources of energy, waste management and social reforms through education . The organization counts 50,000 volunteers . Sulabh International is the largest nonprofit organization in India . </P>

Discuss the efforts of sulabh in promoting sanitation