This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
Bih and death registration act came into force on 1st april,------ 
Select and explain. 
A. 1968, B. 1969, C. 1970, D. 1971
B: 1969
Answer: B: 1969 
Explanation: Amendments of the Registration of Bihs and Deaths Act, 1969 - PIB Sections of the act