This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
All the following indicators are used to measure disability rates in a community except? 
Select and explain. 
A. Sullivan's Index, B. Human Povey Index, C. Health Adjusted Life Expectancy, D. Disability Adjusted Life Year
B: Human Povey Index
Answer: B: Human Povey Index 
Explanation: Ans. is 'b' i.e., Human Povey Index