This document discusses various methods for classifying individuals and families based on socioeconomic status. It describes Karl Marx and Weber's theories of social stratification and then presents several scales used in both urban and rural areas of India to measure factors like education, occupation, income, assets, and place of residence. It specifically outlines Kuppuswamy's method, which assigns scores in these areas to determine an individual's or family's social class as upper, upper middle, lower middle, upper lower, or lower.