National samples survey (NSS) report, 51-54th round Choice of reference period for consumption data. Report no. 447 National samples survey (NSS) report, 51-54th round - India Govt. Press - Choice of reference period for consumption data . Source: General Book Subjects--Topical Terms: National sample survey NSS report Dewey Class. No.: Singmasn2,N50, 447 CD-ROM P