This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Indicators of Health, Subject name: Social & Preventive Medicine
Modified Kuppuswamy scale include all criteria for socioeconomic status except 
Select and explain. 
A. Income per capita, B. Education of head of family, C. Occupation of head, D. Income of head
D: Income of head
Answer: D: Income of head 
Explanation: Ans. (d) Income of head* Modified Kuppuswamy scale is a 'Scale of Socio- economic Status of Urban families'. It comprises of 3 components:- Education Status of head of family- Occupation Status of head of family- Income per capita per month