Upto which census, synchronous de facto method was adopted in India wherein the census was conducted throughout the country in a single night?
A. 1901
B. 1931
C. 1951
D. 1971
Answer:B
Upto which census, synchronous de facto method was adopted in India wherein the census was conducted throughout the country in a single night?
A. 1901 B. 1931 C. 1951 D. 1971