Serial no of village/Block
(Vill_Blk_Slno)
File: Block-1-3-Household-Records
The first-stage units are census villages in the rural sector and the NSSO urban frame survey (UFS) blocks in the urban sector. However, for some of the newly declared towns of 1991 census for which UFS frame has not been received, the 1991 census enumeration blocks are the first-stage units.This variable indicates the serial number assigned to such units.
See INSTRUCTIONS TO FIELD STAFF : VOLUME- I (find attached as external resource attachment)