This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
Kuppuswamy socioeconomic status scale comprises of - 
Select and explain. 
A. Education, family size and housing, B. Education, occupation and housing, C. Income, family size and land holding, D. Education, occupation and income
D: Education, occupation and income
Answer: D: Education, occupation and income 
Explanation: Kuppuswamy &;s socio-economic status scale education occupation family income per month (refer pgno:690 park 23 rd edition)