National samples survey (NSS) report, 54th round Drinking water, sanitation and hygiene in India. Report no. 449 National samples survey (NSS) report, 54th round - India Govt. Press - Consumer expenditure, common property resources, sanitation and hygine, services . Source: General Book Subjects--Topical Terms: National sample survey NSS report Dewey Class. No.: Singmasn2,N50, 449 CD-ROM P