TY  - ELEC
A1  - Office of the Registrar General and Census Commissioner
T1  - 1971–2010 sample registration system
Y1  - no year
UR  - http://www.censusindia.gov.in/2011-Common/Sample_Registration_System.html
PB  - Office of the Registrar General and Census Commissioner
CY  - New Delhi

ER  -